https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3342598/
https://pubmed.ncbi.nlm.nih.gov/29431977/
https://www.ncbi.nlm.nih.gov/books/NBK537182/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4755769/
https://www.ncbi.nlm.nih.gov/books/NBK500009/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4541377/
https://pubmed.ncbi.nlm.nih.gov/22563187/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7075634/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6478596/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5624348/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3140328/
https://www.ncbi.nlm.nih.gov/books/NBK279467/
https://pubmed.ncbi.nlm.nih.gov/21766771/