Multisystem inflammatory syndrome in adults (MIS-A): cardiovascular manifestations and in-hospital outcomes from two tertiary centers - Nazima Zarubekova; Gaukhar Kurmanova; Almira Akparova; Maira Melis; Almagul Kurmanova; Amina Abdrakhmanova; Sholpan Sadykova; Ademi Samadin; Anna Shin; Zhamilya Zhankina (Frontiers in Cardiovascular Medicine, 2026)