Cohort profile: Indian Study of Healthy Ageing (ISHA-Barshi) por Mhatre, SS, Bragg, F, Panse, N, Judge, PK, Manjrekar, A, Burrett, JA, Patil, S, Davey Smith, G, Kotkar, L, Relton, C, Doibale, P, Gadhave, B, Chaturvedi, P, Sherliker, P, Jha, P, Lewington, S, Dikshit, R