| article html file updated | 11 February 2020 17:39 CET | Update | https://www.mdpi.com/1996-1073/12/4/698 |
| article html file updated | 15 October 2019 09:40 CEST | Update | N/A |
| article html file updated | 26 April 2019 13:21 CEST | Update | N/A |
| article html file updated | 12 April 2019 08:53 CEST | Update | N/A |
| article html file updated | 4 April 2019 00:50 CEST | Update | N/A |
| article html file updated | 1 March 2019 15:39 CET | Update | N/A |
| article html file updated | 1 March 2019 08:28 CET | Update | N/A |
| article html file updated | 21 February 2019 10:06 CET | Original file | N/A |
| article pdf uploaded. | 21 February 2019 10:03 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/698/pdf |
| article xml uploaded. | 21 February 2019 10:03 CET | Update | https://www.mdpi.com/1996-1073/12/4/698/xml |
| article xml file uploaded | 21 February 2019 10:03 CET | Original file | N/A |