Information Science Research, Bioinformatics Institute, 30 Biopolis Street, #07-01, Matrix, 138671, Singapore. francis@bii.a-star.edu.sg|Information Science Research, Bioinformatics Institute, 30 Biopolis Street, #07-01, Matrix, 138671, Singapore. francis@bii.a-star.edu.sg|Information Science Research, Bioinformatics Institute, 30 Biopolis Street, #07-01, Matrix, 138671, Singapore. francis@bii.a-star.edu.sg|Information Science Research, Bioinformatics Institute, 30 Biopolis Street, #07-01, Matrix, 138671, Singapore. francis@bii.a-star.edu.sg|Information Science Research, Bioinformatics Institute, 30 Biopolis Street, #07-01, Matrix, 138671, Singapore. francis@bii.a-star.edu.sg|Information Science Research, Bioinformatics Institute, 30 Biopolis Street, #07-01, Matrix, 138671, Singapore. francis@bii.a-star.edu.sg