<?xml version="1.0" encoding="UTF-8"?>  <sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_common.xml</loc><lastmod>2025-10-10T22:17:08+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2023&amp;month=2</loc><lastmod>2023-08-09T10:43:44+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2022&amp;month=5</loc><lastmod>2023-08-09T10:47:43+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2022&amp;month=4</loc><lastmod>2025-10-10T20:34:20+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2022&amp;month=2</loc><lastmod>2022-03-09T12:13:54+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2021&amp;month=5</loc><lastmod>2021-09-09T22:54:07+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2021&amp;month=4</loc><lastmod>2021-09-09T22:59:51+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2021&amp;month=2</loc><lastmod>2022-03-09T12:25:44+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2020&amp;month=11</loc><lastmod>2025-10-10T20:58:03+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2020&amp;month=9</loc><lastmod>2020-10-18T22:39:24+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2020&amp;month=7</loc><lastmod>2025-10-10T21:11:30+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2020&amp;month=5</loc><lastmod>2023-03-10T08:48:40+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2020&amp;month=4</loc><lastmod>2025-10-10T21:21:51+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2019&amp;month=1</loc><lastmod>2019-01-26T18:35:14+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2018&amp;month=11</loc><lastmod>2022-02-03T10:36:08+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2018&amp;month=5</loc><lastmod>2021-09-13T13:26:05+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2018&amp;month=3</loc><lastmod>2019-11-26T15:41:18+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=12</loc><lastmod>2018-04-07T13:14:05+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=10</loc><lastmod>2017-12-31T16:31:45+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=8</loc><lastmod>2019-11-26T15:48:30+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=7</loc><lastmod>2017-07-15T11:54:13+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=5</loc><lastmod>2020-05-09T10:58:27+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2017&amp;month=3</loc><lastmod>2019-11-26T16:14:06+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2016&amp;month=12</loc><lastmod>2025-10-10T21:36:42+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2016&amp;month=9</loc><lastmod>2018-07-25T11:49:36+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2016&amp;month=8</loc><lastmod>2016-09-05T12:31:06+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2016&amp;month=7</loc><lastmod>2022-08-01T23:12:48+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2016&amp;month=6</loc><lastmod>2020-11-25T10:20:14+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2016&amp;month=5</loc><lastmod>2025-10-10T21:54:14+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2016&amp;month=4</loc><lastmod>2018-02-20T13:23:58+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2016&amp;month=3</loc><lastmod>2025-10-10T21:58:02+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2016&amp;month=2</loc><lastmod>2020-07-27T17:33:54+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2016&amp;month=1</loc><lastmod>2025-10-10T22:10:32+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2015&amp;month=12</loc><lastmod>2016-01-20T18:23:36+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2015&amp;month=11</loc><lastmod>2020-05-07T13:36:52+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2015&amp;month=10</loc><lastmod>2018-07-25T11:39:53+09:00</lastmod></sitemap><sitemap><loc>https://neurosurg.hatenablog.com/sitemap_periodical.xml?year=2015&amp;month=8</loc><lastmod>2025-10-10T22:17:07+09:00</lastmod></sitemap></sitemapindex>