| article html file updated | 6 February 2020 12:14 CET | Update | https://www.mdpi.com/2075-4698/4/3/477 |
| article html file updated | 7 May 2019 08:19 CEST | Update | - |
| article html file updated | 22 March 2019 00:52 CET | Original file | - |
| article pdf uploaded. | 16 September 2014 09:08 CEST | Version of Record | https://www.mdpi.com/2075-4698/4/3/477/pdf |
