Analysis of Acupoint Selection Rules for Guasha Treatment of Primary Headaches Based on Data Mining [Response to Letter]

Xujie Zhang,1 Xinrui Huang,2 Feilin Ni,2 Danhua Yang,3 Min Xu4 1Department of Infectious Disease, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China; 2Department of Neurology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China; 3Department of Gastroenterology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China; 4Dean’s Office, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, People’s Republic of ChinaCorrespondence: Min Xu, Dean’s Office, The First Affiliated Hospital of Zhejiang Chinese Medical University, No. 54, Postal Circuit, Shangcheng District, Hangzhou, Zhejiang, 310006, People’s Republic of China, Email [email protected]