Systematic review and meta-analysis of the quality-of-life of patients with Parkinson’s diseaseZahra Hoseinipalangi, Fatemeh Pashazadeh Kan, Hossein Hosseinifard, Maryam Doustmehraban, Maryam Masoumi, Sima Rafiei, Pooyan Barmayoon, Niloofar Ahmadi, Afsaneh Dehnad, Hajar Eshtod, Mahsa Tohidi Asl, Batool Sadat Hoseini, Mahmoud Nasiri, Moslem Arian, S