Banalata Sen1, Meghnath Dhimal2, Aishath Thimna Latheef3, Upasona Ghosh4. 1. Centre for Environmental Health, Public Health Foundation of India, Gurugram, India banalata.sen@phfi.org. 2. Nepal Health Research Council, Kathmandu, Nepal. 3. World Health Organization Country Office, Male, Maldives. 4. Indian Institute of Health Management Research, Jaipur, Rajasthan, India.