Physical Activity Patterns in India Stratified by Zones, Age, Region, BMI and Implications for COVID-19: A Nationwide Study. - Podder, Vivek; Nagarathna, Raghuram; Anand, Akshay; Patil, Suchitra S.; Singh, Amit Kumar; Nagendra, Hongasandra Ramarao (Annals of Neurosciences, 2021)