1. Save the Children International, Bhutan Country Office, Thimphu 11001, Bhutan
2. Institute of Population Health, University of Liverpool, Liverpool L69 7ZA, UK
3. Department of Medical Services, Ministry of Health, Royal Government of Bhutan, Thimphu 11001, Bhutan
4. Department of Medicine, Jigme Dorji Wangchuk National Referral Hospital, Thimphu 11001, Bhutan
5. Policy and Planning Division, Ministry of Health, Royal Government of Bhutan, Thimphu 11001, Bhutan
6. Nan Tien Institute, Wollongong, NSW 2526, Australia