1Department of Radiological Sciences, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Sugitani 2630, Toyama 930-0194, Japan
2Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr Al-Aini str., Cairo 11562, Egypt
3Laboratory for Mucosal Barriology, International R&D Center for Mucosal Vaccination, The Institute of Medical Science, The University of Tokyo, 108-8639, Japan
4Department of Internal Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Sugitani 2630, Toyama 930-0194, Japan