Adherence to COVID-19 protective behaviours in India from May to December 2020: evidence from a nationally representative longitudinal survey. - Schaner S; Theys N; Angrisani M; Banerjee J; Khobragade PY; Petrosyan S; Agarwal A; Chien S; Weerman B; Chakrawarty A; Chatterjee P; Madaan N; et al. (BMJ open, 2022)