Year, Count, Co-author(s) 2007,5,"Flottemesch, Thomas J., PhD; Holger, J. S.; Harris, C. R.; Patten, L. C.; Engebretsen, K. M." 2010,5,"Holger, J. S.; Stellpflug, Samuel J., MD; Harris, C. R.; Cole, J. B.; Engebretsen, K. M." 2011,4,"Holger, J. S.; Stellpflug, Samuel J., MD; Cole, J. B.; Engebretsen, K. M."