DHHS:10.1586/14737159.4.6.761
DHHS:10.1586/14737159.5.3.431
DHHS:10.1586/14737159.7.3.247
DHHS:10.1586/14737175.2015.995168
DHHS:10.1586/14760584.2.6.735
DHHS:10.1586/14760584.4.6.807
DHHS:10.1586/14787210.6.1.121
DHHS:10.1586/17434440.6.2.131
DHHS:10.1586/17474124.2014.922871
DHHS:10.1586/egh.10.8
DHHS:10.1586/erm.09.11