Sweilam, Nasser Hassan http://orcid.org/0000-0001-7428-5799
Al-Mekhlafi, Seham Mahyoub
Assiri, Taghreed
Atangana, Abdon
Article History
Received: 15 April 2020
Accepted: 22 June 2020
First Online: 6 July 2020
Competing interests
: The authors declare that they have no competing interests.