| article html file updated | 8 February 2020 19:19 CET | Update | https://www.mdpi.com/2075-4663/5/4/82 |
| article html file updated | 27 September 2019 23:26 CEST | Update | - |
| article html file updated | 2 May 2019 19:19 CEST | Update | - |
| article html file updated | 2 January 2018 10:57 CET | Update | - |
| article html file updated | 24 October 2017 14:30 CEST | Original file | - |
| article xml uploaded. | 24 October 2017 14:29 CEST | Original file | https://www.mdpi.com/2075-4663/5/4/82/xml |
| article pdf uploaded. | 24 October 2017 14:29 CEST | Version of Record | https://www.mdpi.com/2075-4663/5/4/82/pdf |
