NIH:10.2310/6650.2001.33787 NIH:10.2310/6650.2001.34090 NIH:10.2310/6650.2003.38931 NIH:10.2310/6650.2003.39183 NIH:10.2310/6650.2005.05026 NIH:10.2310/6650.2006.X0001 NIH:10.2310/6650.2006.X0016 NIH:10.2310/6650.2007.07001 NIH:10.2310/6670.2008.00041 NIH:10.2310/7290.2007.00014 NIH:10.2310/7290.2007.00019 NIH:10.2310/7290.2008.00019 NIH:10.2310/7290.2009.00028 NIH:10.2310/7290.2009.00031 NIH:10.2310/7290.2009.00032 NIH:10.2310/7290.2010.00018 NIH:10.2310/7290.2010.00054 NIH:10.2310/7290.2011.00001 NIH:10.2310/7290.2011.00038 NIH:10.2310/7290.2012.00013 NIH:10.2310/7290.2013.00055 NIH:10.2310/7290.2014.00004 NIH:10.2310/7290.2014.00016 NIH:10.2310/7290.2014.00031 NIH:10.2310/7290.2015.00023 NIH:10.2310/JIM.0b013e3182281da3 NIH:10.2310/JIM.0b013e318250871d NIH:10.2310/JIM.0000000000000021