article_snippet: So far, 17 patients in Mexico and 20 in Costa Rica have undergone the treatment.
article_snippet: 17 patients in Mexico and 20 in Costa Rica hopes to trial a total of 100 patients over the next few years. .
article_snippet: We were concerned about this issue right from the start, so this issue was the first issue We tested and measured in We initial pre-clinical and clinical studies,' 17 patients in Mexico and 20 in Costa Rica wrote on their site. '
article_snippet: We procedure is limited to This new treatment,' Dr Homer told DailyMail.com. '
highlights_snippet: 17 patients in Mexico and 20 in Costa Rica have undergone treatment .
  
highlights_snippet: Process, which is undergoing clinical trials, has raised safety concerns .