1 University of Arizona, School of Anthropology, Tucson, AZ, USA
2 Achutha Menon Centre for Health Science Studies, Sree Chitra Tirunal Institute for Medical Science and Technology, Trivandrum, Kerala, India
3 Additional Professor, Department of Community Medicine, TD Medical College Alappuzha, Kerala, India
4 Professor, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
5 Additional Director of Health Services, Kerala State Health Services, Trivandrum, Kerala, India