public static function get(User $user)
 {
     global $db;
     $user_id = $user->getID();
     $query = "SELECT * FROM `student_clineval_comments` WHERE `user_id` = " . $db->qstr($user_id) . " ORDER BY `source` ASC";
     $results = $db->getAll($query);
     $clinevals = array();
     if ($results) {
         foreach ($results as $result) {
             $clineval = ClinicalPerformanceEvaluation::fromArray($result);
             $clinevals[] = $clineval;
         }
     }
     return new self($clinevals);
 }