| article html file updated | 10 February 2020 12:38 CET | Update | https://www.mdpi.com/2218-2004/6/4/54 |
| article html file updated | 29 April 2019 02:24 CEST | Update | N/A |
| article html file updated | 14 April 2019 21:49 CEST | Update | N/A |
| article html file updated | 31 March 2019 22:28 CEST | Update | N/A |
| article html file updated | 26 December 2018 22:46 CET | Update | N/A |
| article html file updated | 25 September 2018 10:46 CEST | Original file | N/A |
| article pdf uploaded. | 25 September 2018 10:45 CEST | Version of Record | https://www.mdpi.com/2218-2004/6/4/54/pdf |
| article xml uploaded. | 25 September 2018 10:45 CEST | Update | https://www.mdpi.com/2218-2004/6/4/54/xml |
| article xml file uploaded | 25 September 2018 10:45 CEST | Original file | N/A |