Department of Otolaryngology Faculty of Medicine, Chiang Mai University 110 Intawaroros Road, Sriphum, Chiang Mai, Thailand
Department of surgery, Faculty of medicine, Chiang Mai University Hospital, Chiang Mai, Chaing Mai, Thailand
Department of Physical Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Maung, Chiang Mai, Thailand
Maharaj Nakorn Chiang Mai Hospital, Chiang Mai, Thailand
Clinical trial Unit, Faculty of Medicine, Chiang Mai University, Muang, ChiangMai, Thailand
Clinical trial Unit, Faculty of Medicine, Chiang Mai University, Muang, ChiangMai, Thailand
Nakornping hospital (NKP), Chiang Mai, Thailand
Chiangrai Prachanukroh Hospital, Chiang Rai, Thailand
HIV-NAT, Thai Red Cross - AIDS Research Centre, Bangkok, Thailand
Department of OB-GYN, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
Mattabhorn Phornputkul, Chiang Mai, Thailand
Faculty of Associated Medical Sciences, Chiang Mai University, Sripoom, Chiang Mai, Thailand