- Canada
- Chang et al., 2016
- Japan
- Blakemore, 2003, 2003b; Hasegawa et al., 2013
- Korea
- Blakemore, 2008h
- United States
- Chang et al., 2016; Moore J.D. et al., 2017; Connecticut: Gates, 1958g, 1982; Georgia: Callaham et al., 2004; Louisiana: Gates, 1958g, 1982; New York: Gates, 1958g, 1982; North Carolina: Wetzel, 2005; South Carolina: Wetzel, 2005
- National reviews per state:
- Reynolds and Wetzel, 2004: Alabama, Connecticut, Florida, Georgia, Louisiana, Massachusetts, Maryland, Maine, Missouri, North Carolina, New Jersey, New York, Oklahoma, Pennsylvania, South Carolina, Tennessee, West Virginia
- Reynolds and Wetzel, 2008: Alabama, Connecticut, Florida, Georgia, Louisiana, Massachusetts, Maryland, Maine, Missouri, North Carolina, New Jersey, New York, Oklahoma, Pennsylvania, South Carolina, Tennessee, West Virginia
- Reynolds and Wetzel, 2012: Alabama, Connecticut, Florida, Georgia, Louisiana, Massachusetts, Maryland, Maine, Missouri, North Carolina, New Jersey, New York, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Vermont, West Virginia
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