1
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3123991/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3615700/
https://search.informit.org/doi/10.3316/INFORMIT.950298610899394
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3952291/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4673944/
https://pubmed.ncbi.nlm.nih.gov/27614124/
2
https://pubmed.ncbi.nlm.nih.gov/16767798/
https://onlinelibrary.wiley.com/doi/full/10.1046/j.1365-2036.2002.01339.x
https://pubmed.ncbi.nlm.nih.gov/28562281/
https://pubmed.ncbi.nlm.nih.gov/23390455/
https://pubmed.ncbi.nlm.nih.gov/24100754/
https://pubmed.ncbi.nlm.nih.gov/26319955/
3
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6341159/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3016669/
https://pubmed.ncbi.nlm.nih.gov/18403946/
4
https://pubmed.ncbi.nlm.nih.gov/21453412/