COVID-19 mobile positioning data contact tracing and patient privacy regulations : exploratory search of global response strategies and the use of digital tools in NigeriaEkong, Iniobong; Chukwu, Emeka; Chukwu, MarthaJMIR mHealth and uHealth2020 / art. e19139, 7 p. : ill https://doi.org/10.2196/19139 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS