Individuals' coronavirus disease knowledge levels: A cross-sectional survey in eleven countries oleh Metin Yıldız, Abraham Tanimowo, Marco Monti, Mehmet Salih Yıldırım, Ram Bahadur Khadka, Asma Hasan Sbaih, Çiğdem Müge Haylı, Muhammad Tayyeb, Sweta Majumder, Anis Uddin, Tajudeen Oluwafemi Noibi, Güray Okyar