Out-of-pocket expenditure and catastrophic health expenditure in patients of leprosy at a tertiary care center in India - Kavita Kavita; Sukhdeep Singh; Kittu Malhi; Manisha Upreti; Sushma Saini; Arushi Ghai; Ritin Mohindra; Tarun Narang; Sunil Dogra (Transactions of The Royal Society of Tropical Medicine and Hygiene, 2026)