Risk perceptions and attitudinal responses to COVID-19 pandemic: an online survey in Ethiopia oleh Zewdie Birhanu, Argaw Ambelu, Diriba Fufa, Mohammed Mecha, Ahmed Zeynudin, Jemal Abafita, Ashenafi Belay, Feleke Doyore, Lemessa Oljira, Endale Bacha, Jilcha Feyisa, Zinabu Hadis, Ketema Ayele, Yohannes Addisu, Birhanu Gutu, Demu Tesfaye, Temesgen Tilahun, Gudeta Imana, Tadele Tolosa, Seblework Mekonen, Yimenu Yitayih, Nega Jibat, Mathewos Moges, Ayinengida Adamu, Abraham Teym, Adamu Kenea, Taffere Addis, Akalework Mengesha, Yohannes Kebede