| article html file updated | 10 February 2020 15:57 CET | Update | https://www.mdpi.com/2077-0375/8/4/97 |
| article html file updated | 9 October 2019 02:14 CEST | Update | N/A |
| article html file updated | 28 April 2019 19:57 CEST | Update | N/A |
| article html file updated | 14 April 2019 15:05 CEST | Update | N/A |
| article html file updated | 1 April 2019 06:30 CEST | Update | N/A |
| article html file updated | 26 December 2018 21:06 CET | Update | N/A |
| article html file updated | 15 October 2018 12:57 CEST | Original file | N/A |
| article pdf uploaded. | 15 October 2018 12:57 CEST | Version of Record | https://www.mdpi.com/2077-0375/8/4/97/pdf |
| article xml uploaded. | 15 October 2018 12:57 CEST | Update | https://www.mdpi.com/2077-0375/8/4/97/xml |
| article xml file uploaded | 15 October 2018 12:57 CEST | Original file | N/A |
