[1] https://link.springer.com/article/10.1007/s10827-017-0667-3
[2] https://link.springer.com/article/10.1007/s10827-017-0668-2
[3] https://link.springer.com/article/10.1007/s10827-017-0655-7
[4] https://link.springer.com/article/10.1007/s10827-017-0646-8
[5] https://link.springer.com/article/10.1007/s10827-017-0658-4