^○Damba Ganzorig^1,2, Erdenechimeg Jamiyandorj² (1.Bayangol district hospital, Ulaanbaatar, Mongolia, 2.Third subdistrict primary health care center, 3.Mongolian National University of Medical Sciences)

^○Xiaohui Yuan^1,2, Jing Huang^1,2, Nan Zhang⁴, Xianghai Zeng⁵, Xiangdong Chen³ (1.Shenzhen University, 2.School of Medicine, 3.Department of Family Medicine, Shenzhen University General Hospital, 4.Otolaryngology-Head and Neck Surgery, Shenzhen University General Hospital, 5.Nanyuan Community Health Center, Shenzhen Sixth People’s Hospital, 6.Department of Family Medicine, University of Hong Kong-Shenzhen Hospital)

^○Rina Kusumaratna¹, Fadhilannisa - -¹, Felly - -¹ (1.Trisakti University, 2.Department of Community Health, Faculty of Medicine)

MAGINA PEDRERO, ^○ANGEL BAEZA ALCARAZ, MARIANA EUGENIA VILLAESCUSA PEDEMONTE (HOSPITAL CLINICO UNIVERSITARIO VIRGEN ARRIXACA)