1 Department of Swasthavritta (Social and Preventive Medicine), Amrita School of Ayurveda, Amritapuri, Amrita Vishwavidyapeetham, Kollam, Kerala, 690525, India.
2 Department of Swasthavritta (Social and Preventive Medicine), Amrita School of Ayurveda, Amritapuri, Amrita Vishwavidyapeetham, Kollam, Kerala, 690525, India. delvintroby@gmail.com.