Kidney transplants

FILE - In this Tuesday, Nov. 27, 2018 file photo, Stevie Wonder performs live at the "House Full of Toys 22nd Annual Benefit Concert" press conference in Los Angeles. Wonder says he will be receiving a kidney transplant this fall. The 69-year-old music legend made the announcement to concertgoers in England on Saturday, July 6, 2019. (Photo by Willy Sanjuan/Invision/AP, File)

FILE - In this Tuesday, Nov. 27, 2018 file photo, Stevie Wonder performs live at the "House Full of Toys 22nd Annual Benefit Concert" press conference in Los Angeles. Wonder says he will be receiving a kidney transplant this fall. The 69-year-old music legend made the announcement to concertgoers in England on Saturday, July 6, 2019. (Photo by Willy Sanjuan/Invision/AP, File)

In this February 2019 photo provided by Brigham and Women's Hospital, Dr. Mandeep Mehra, executive director of Brigham’s Center for Advanced Heart Disease, checks on patient James Sullivon at the hospital in Boston. Sullivon, who received a hepatitis C-positive heart transplant, was given antiviral medicine shortly after the procedure in hopes of blocking hepatitis C infection rather than having to treat it. (Adam Knee/Brigham and Women's Hospital via AP)

In this image made from video provided by Johns Hopkins Medicine, Nina Martinez of Atlanta is wheeled into a Baltimore operating room to become who is thought to be the world’s first kidney transplant living donor with HIV, on Monday, March 25, 2019. Martinez, 35, donated a kidney to an HIV-positive stranger, saying she "wanted to make a difference in somebody else's life" and counter the stigma that too often still surrounds HIV infection. (Johns Hopkins Medicine via AP)

Doctors appear at a news conference at University of Chicago Hospital Friday, Jan. 4, 2019, in Chicago. University of Chicago Medicine doctors announced Friday that they successfully completed the triple organ transplants on Sarah McPharlin, a 29-year-old of Grosse Pointe Woods, Michigan, and Daru Smith, a 29-year-old father from Chicago's South Side, within 30 hours of one another. (AP Photo/Teresa Crawford)

FILE - In this Oct. 18, 2018 file photo, Sarah Hyland arrives at the 2018 amfAR Inspiration Gala Los Angeles in Beverly Hills, Calif. Hyland says she had a second kidney transplant last year, replacing a kidney from her father with another from her brother. Hyland details her lifelong health struggles in an interview in Self magazine, and tweeted Monday that she hopes it “spreads awareness of organ donation” and “brings a sense of support” to the chronically ill. (Photo by Jordan Strauss/Invision/AP, File)

FILE- In this Jan. 17, 2018, file photo, SLUCare transplant surgeon Dr. Chintalapati Varma physically grabs the kidney from the body of living organ donor Robyn Rosenberger during surgery at SSM Health Saint Louis University Hospital in St. Louis. British researchers reported Monday, Jan. 29, that living kidney donors are more likely to develop later kidney failure than non-donors, and female donors may experience a pregnancy complication, problematic high blood pressure (Laurie Skrivan/St. Louis Post-Dispatch via AP, File)

In this Aug. 22, 2017 photo, Robert Leibovitz wears a T-shirt with information about his need for a kidney while visiting Disney World in Orlando, Fla. Leibowitz, a New Jersey father of five whose T-shirt saying “In Need of Kidney” went viral has received a life-saving transplant from a stranger. (Rocio Sandoval via AP)