sentences:  Jacobson also completed a two year fellowship at the Robert Wood Johnson Clinical Scholars Program in quantitative clinical epidemiology at Yale University under the tutelage of Alvan R. Feinstein before accepting a position at the Mayo Clinic.Jacobson arrived in Rochester, MN in 1989 to practice pediatrics and perform vaccine research at the Mayo Clinic.Since then, he has published 240 peer-reviewed research papers in academic medicine.