s stated in the Declaration of Helsinki, and the Dutch Medical Research involving Humans Subjects Act concerning scientific research. According to the Ethical Medical Committee of the University Medical Centre Utrecht, this act was not applicable to the present study. Written informed consent was obtained from both patien

s stated in the Declaration of Helsinki, and the Dutch Medical Research involving Humans Subjects Act concerning scientific research. According to the Ethical Medical Committee of the University Medical Centre Utrecht, this act was not applicable to the present study. Written informed consent was obtained from both patien

s stated in the Declaration of Helsinki. and the Dutch Medical Research involving Humans Subjects Act concerning scientific research. According to the Ethical Medical Committee of the University Medical Centre Utrecht. this act was not applicable to the present study. Written informed consent was obtained from both patien