1. Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
2. Department of Mechanic and Electronic Engineering, Beijing Information Science & Technology University, Beijing 100192, China
3. Department of Biology, Indiana University
4. National Center for Genome Assembly Support, Indiana University, Bloomington, IN 47401, USA
5. Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266003, China