<prompt> Translate the following text to EnglishUaminifu wa utafiti huu umeongezwa na ukweli kwamba ulichunguzwa na kuchunguzwa tena na timu ya wataalamu wa kisayansi wa kujitegemea iliyoundwa na Taasisi ya Athari za Afya Krewski et al.  <response>: The credibility of these two studies is further enhanced by the fact that they were subject to extensive reexamination and reanalysis by an independent scientific analysis team of experts compiled by the Health Effects Institute Krewski et al. 