[1]
https://www.ncbi.nlm.nih.gov/pubmed/?term=16634838
[2] https://www.ncbi.nlm.nih.gov/pubmed/?term=10381252
[3] https://www.ncbi.nlm.nih.gov/pubmed/?term=15208835
[4] https://www.ncbi.nlm.nih.gov/pubmed/?term=23082086
[5] https://www.ncbi.nlm.nih.gov/pubmed/?term=18193099
[6] https://www.ncbi.nlm.nih.gov/pubmed/?term=22125537
[7] https://www.ncbi.nlm.nih.gov/pubmed/?term=16444816
[8] https://www.ncbi.nlm.nih.gov/pubmed/?term=25650336
[9] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4637499/
[10] https://www.ncbi.nlm.nih.gov/pubmed/25176387
[11] https://www.ncbi.nlm.nih.gov/pubmed/?term=8073081
[12] https://www.ncbi.nlm.nih.gov/pubmed/?term=17555327
[13] https://www.ncbi.nlm.nih.gov/pubmed/17336007
[14] https://www.ncbi.nlm.nih.gov/pubmed/?term=25369772
[15] https://www.ncbi.nlm.nih.gov/pubmed/8546437
[16] https://www.ncbi.nlm.nih.gov/pubmed/?term=22515411
[17] https://www.ncbi.nlm.nih.gov/pubmed/?term=17506119
[18] http://care.diabetesjournals.org/content/26/4/1147
[19] https://www.ncbi.nlm.nih.gov/pubmed/?term=18160753
[20] https://www.ncbi.nlm.nih.gov/pubmed/1991440