Over 1.5 million Americans use wheelchairs for a variety of causes: a congenital condition, traumatic injury, or disease. People who depend upon wheelchairs for mobility are in varied situations. They might live independently or need attendant care; live alone or with family; be employed full-tim...
You should seriously reconsider your willingness to participate in any study in which your questions are not fully and patiently answered. Among the things you should know are: If you live a distance from the study center, how long will you need to be available to the researchers and at what st...