| article html file updated | 8 February 2020 17:49 CET | Update | https://www.mdpi.com/2076-3263/7/4/99 |
| article html file updated | 27 September 2019 13:24 CEST | Update | - |
| article html file updated | 2 May 2019 22:42 CEST | Update | - |
| article html file updated | 2 January 2018 11:50 CET | Update | - |
| article html file updated | 11 October 2017 08:58 CEST | Original file | - |
| article xml uploaded. | 11 October 2017 08:57 CEST | Original file | https://www.mdpi.com/2076-3263/7/4/99/xml |
| article pdf uploaded. | 11 October 2017 08:57 CEST | Updated version of record | https://www.mdpi.com/2076-3263/7/4/99/pdf |
| article pdf uploaded. | 4 October 2017 11:08 CEST | Version of Record | https://www.mdpi.com/2076-3263/7/4/99/pdf-vor |
