The rights of withdrew from the trial: Participate in the trial is completely voluntary. If for any reason, participants not willing to participate in, or do not wish to continue to participate in this trial, will not affect the rights and interests of participants. In addition, participants have the right to withdraw this trial at any time. If participants do not according to the doctor instructions, or for the sake of your health and benefits, the doctor or the researchers may also require participants to quit the trial.