http://reply.papertrans.cn/2/172/17122/17122-11.png
http://reply.papertrans.cn/2/172/17122/17122-12.png
Submitted on: 19 June 2021.
Revised on: 11 October 2021.
Accepted on: 12 November 2021.
___________________JOURNAL OF HEADACHE AND PAIN---BMC
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http://reply.papertrans.cn/2/172/17122/17122-15.png
Submitted on: 14 March 2019.
Revised on: 11 May 2019.
Accepted on: 27 May 2019.
___________________JOURNAL OF HEADACHE AND PAIN---BMC
http://reply.papertrans.cn/2/172/17122/17122-17.png
Submitted on: 14 July 2009.
Revised on: 08 September 2009.
Accepted on: 03 November 2009.
___________________JOURNAL OF HEADACHE AND PAIN---BMC
Submitted on: 04 July 2017.
Revised on: 14 October 2017.
Accepted on: 13 November 2017.
___________________JOURNAL OF HEADACHE AND PAIN---BMC
Submitted on: 27 December 2002.
Revised on: 27 February 2003.
Accepted on: 12 April 2003.
___________________JOURNAL OF HEADACHE AND PAIN---BMC