1. Department of Biomedical Engineering, Center for Bioimage Informatics, Carnegie Mellon University, Pittsburgh, PA 15213, USA
2. Department of Pathology, Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
3. Department of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
4. Lane Center for Computational Biology, Carnegie Mellon University, Pittsburgh, PA 15213, USA