Wɔ nhwehwɛmu bi a wɔyɛɛ no nnansa yi a wɔtintimii wɔ JAMA Network Open mu no, nhwehwɛmufo a wofi United States of America (US) hwehwɛɛ abusuabɔ a ɛda ayaresa mu ka ne nnipa a wɔwɔ United States no akwahosan mu. Wɔhuu sɛ ayaresa mu ka ne nnipa a wɔwɔ United States no akwahosan mu ka ne nnipa a wɔyare ne wɔn a wɔwu ntɛmntɛm ne wɔn a wɔwu ntɛmntɛm. Saa ka yi ne nnipa a wɔn akwahosan mu ka, te sɛ akwahosan a wɔtwentwɛn ase, wɔn a wɔn ani nnye aduruyɛ ho, ne wɔn a wɔn ani nnye nnuan ne afie a wɔtena mu ho.