Biotechnology, The MITRE Corporation, McLean, VA, USA. wchang@mitre.org|Biotechnology, The MITRE Corporation, McLean, VA, USA. wchang@mitre.org|Biotechnology, The MITRE Corporation, McLean, VA, USA. wchang@mitre.org|Biotechnology, The MITRE Corporation, McLean, VA, USA. wchang@mitre.org|Biotechnology, The MITRE Corporation, McLean, VA, USA. wchang@mitre.org|Biotechnology, The MITRE Corporation, McLean, VA, USA. wchang@mitre.org|Biotechnology, The MITRE Corporation, McLean, VA, USA. wchang@mitre.org|Biotechnology, The MITRE Corporation, McLean, VA, USA. wchang@mitre.org