Funding for this research was provided by:
King Abdullah International Medical Research Center (Grant No. RC12/133)
Text and Data Mining valid from 2019-11-01
Received: 11 May 2019
Revised: 17 June 2019
Accepted: 16 July 2019
First Online: 1 November 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: IRB of KAIMRC approved this study (IRBC/1187/17). Samples (Placentae and umbilical cords) were obtained after signing consent forms.