Table 1. The four floxed GHR mouse lines.

Year	Reference	Region of GHR Floxed	Laboratory of	University
2009	Fan et al., 2009 ( 4 )	Exon 4	Mark A. Sperling	University of Pittsburgh School of Medicine, Pittsburg, PA, USA
2011	Wu et al., 2011 ( 5 )	Exon 4	Derek LeRoith	Mount Sinai School of Medicine, New York, NY, USA
2013	List et al., 2013 ( 6 )	Exon 4	John J. Kopchick	Edison Biotechnology Institute, Ohio University, Athens, OH, USA
2019	Fang et al., 2019 ( 7 )	Exon 4 through 4b	Guosheng Liang	University of Texas Southwestern Medical Center, Dallas TX, USA