[1] Baylor Coll Med, Dept Internal Med, Sect Transit Med, 7200 Cambridge St,Suite 8a, Houston, TX 70330 USA
[2] Baylor Coll Med, Dept Pediat, Sect Transit Med, 7200 Cambridge St,Suite 8a, Houston, TX 70330 USA
[3] Houston Methodist Hosp, Dept Urol, Neurourol & Transit Urol Clin, Weill Cornell Med Coll, Houston, TX 77030 USA