1. Gordon Center for Medical Imaging Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston MA 02114 USA
2. Department of Chemistry Center of Diagnostics and Therapeutics Georgia State University Atlanta GA 30303 USA
3. Department of Oncology The Second Affiliated Hospital of Xi'an Jiaotong University Xi'an Shaanxi 710004 China
4. Department of Obstetrics and Gynecology Osaka City University Graduate School of Medicine 1‐4‐3, Asahimachi Abeno‐ku Osaka 545‐8585 Japan
5. Department of Radiological Sciences Tokyo Metropolitan University 7‐2‐10 Higashi‐Ogu Arakawa Tokyo 116‐8551 Japan
6. Division of Science Education Kangwon National University Chuncheon 24341 South Korea
7. School of Pharmacy Jining Medical College Rizhao Shandong 276826 China
8. Trifoil Imaging 9449 De Soto Ave Chatsworth CA 91311 USA