Exploring acculturative stress and coping mechanisms among pregnant South Asian immigrants in Ontario, Canada: A qualitative study protocol - Anam Shahil-Feroz; Mehtab Jaffer; Kateryna Metersky; Saleema Allana; Salima Meherali; Shokoufeh Modanloo; Usha George; Samya Hasan; Zohra Lassi (PLoS ONE, 2026)