[1]Department of Pediatrics The Chinese University of Hong Kong 6/F Prince of Wales Hospital Room 84042 Shatin N.T Hong Kong SAR China;
[2]Department ofR espiratory Diseases Shenzhen Children’s Hospital Shenzhen 518026 China;
[3]Hong Kong Society of P ediatric Respirology and Aller gy Hong K ong S AR China;
[4]Pediatric Respiratory andSleep Disorders Center Room 1315D Argyle Centre Phase 1 688 Nathan Road Mongkok Kowloon Hong K ong S AR China;
[5]Department of R espiration Guangzhou Women and Children’s Medical Center Guangzhou 510623 China;
[6]Department of P ediatrics Kiang Wu Hospital Macau China;
[7]Department of P ediatrics and A dolescent Medicine United Christian Hospital 130 Hip Wo Street Kwun Tong Hong K ong S AR China;
[8]Department of P ediatrics Central Hospital Conde S.Januario Macau China;
[9]Department of P ediatrics and A dolescent Medicine Caritas Medical Center 111 Wing Hong Street Sham Shui Po Hong K ong S AR China;
[10]Department of P ediatrics and A dolescent Medicine Tuen Mun Hospital 23 Tsing Chung Koon Road Tuen Mun NewT erritories HongK ongS AR China;
[11]Department of P ediatrics and A dolescent Medicine Princess Margaret Hospital 2-10 Princess Margaret Hospital Road Lai Chi Kok Kowloon Hong K ong S AR China;
[12]Department of P ediatrics and A dolescent Medicine Queen Mary Hospital 102 Pokfulam Road Hong K ong S AR China;
[13]Department of P ediatrics and A dolescent Medicine The University of Hong Kong Hong K ong S AR China;
[14]Department of P ediatrics and A dolescent Medicine Pamela Youde Nethersole Eastern Hospital 3 Lok Man Road Chaiwan Hong K ong S AR China;
[15]Department of P ediatrics The University of Hong Kong-Shenzhen Hospital 1 Haiyuan 1st Road Futian Shenzhen China;
[16]Department of P ediatrics and A dolescent Medicine Kwong Wah Hospital 25 Waterloo Road KLN Hong K ong S AR China;
[17]Department of P ediatrics Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou 510120 China;
[18]JC School of Public Health and Primary Care Faculty of Medicine The Chinese University of Hong Kong Hong K ong S AR China;
[19]Department of P ediatrics and A dolescent Medicine Alice Ho Miu Ling Nethersole Hospital 11 Chuen On Road Tai Po Hong K ong S AR China;
Asthma; Complementary and alternative medicine; Control; Inhaled bronchodilator; Inhaled corticosteroid; Pediatric Allergic Disease Quality of Life Questionnaire; Smoking; Traditional Chinese medicine;