Effectiveness of Internet-Based Mindfulness-Based Stress Reduction Compared with Online Counseling Guidelines of the Ministry of Health on Reducing Negative Emotions during the SARS-COV-2 Pandemic : A Quasi-Experimental Study - Shid Anbarani, Behnaz; Seyedzadeh, Seyed Iman; Farrokhi, Hossein; Taghavi Bojnordi, Atiyeh; Momeni, Javad; Sahab Negah, Sajad (International Journal of Occupational Hygiene, 2022)