Published by admin on September 15, 2020 Here are the links or the articles http://www.nepjol.info/index.php/JoNMC/article/viewFile/7296/5912 http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0117999&type=printable https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4803976/ http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0078412 The other 2 article are attaced