Psychometric Properties of the “Quality of Life in Life-Threatening Illness—Family Carer Version” (QOLLTI-F) in Persian-Speaking Carers of COVID-19 Patients oleh Armin Fereidouni, Armin Fereidouni, Abbas Ebadi, Abbas Ebadi, Maryam Rassouli, Seyed Morteza Hosseini, Mohsen Mollahadi, Ali Khorshidvand, Mohammad Javid, Behnam Ansari, Mohammad Saeid Rezaei, Salman Barasteh