Citations
1: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5843359/
2: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2801997/
3: https://www.ncbi.nlm.nih.gov/books/NBK547752/
4: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4720453/
5: https://www.ncbi.nlm.nih.gov/books/NBK279255/
6: https://www.ncbi.nlm.nih.gov/pubmed/20523108/
7: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5714777/
8: https://www.ncbi.nlm.nih.gov/pubmed/25124164/
9: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3931201/
10: https://www.ncbi.nlm.nih.gov/pubmed/23849496/