User information
  Mr. Walker DL  
  MSc  
  Mayo Foundation, OB/GYN, IVF Laboratory  
  Division of Reproductive Endocrinology, Department of Obstetrics and Gynecology, Section of Reproductive Endocrinology and Infertility, Charlton Building Desk 3-A, Mayo Clinic College of Medicine, Rochester, MN 55905, USA , United States of America, 55905