[1] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[2] Baylor Coll Med, Houston, TX USA
[3] Cairo Univ, Natl Canc Inst, Cairo, Egypt
[4] Mayo Clin, Rochester, MN USA
[5] Univ Texas Austin, Austin, TX USA
[6] Alexandria Univ, Fac Med, Alexandria, Egypt
[7] Cairo Univ, Kasr Al Ainy Med Sch, Cairo, Egypt
[8] Univ Texas Hlth San Antonio, San Antonio, TX USA
[9] Mansoura Univ, Fac Med, Mansoura, Egypt
[10] Misr Univ Sci & Technol, Mem Souad Kafafi Univ Hosp, Fac Med, Giza, Egypt
[11] Ain Shams Univ, Fac Med, Cairo, Egypt
[12] Univ Houston, Houston, TX USA
[13] Menoufia Univ, Natl Liver Inst, Menoufia, Egypt
[14] McGovern Med Sch UTHlth, Houston, TX USA