| article html file updated | 12 February 2020 00:09 CET | Update | https://www.mdpi.com/1996-1073/12/6/1121 |
| article html file updated | 17 October 2019 01:15 CEST | Update | N/A |
| article html file updated | 25 April 2019 23:04 CEST | Update | N/A |
| article html file updated | 11 April 2019 18:09 CEST | Update | N/A |
| article html file updated | 4 April 2019 18:17 CEST | Update | N/A |
| article html file updated | 22 March 2019 10:50 CET | Original file | N/A |
| article pdf uploaded. | 22 March 2019 10:49 CET | Version of Record | https://www.mdpi.com/1996-1073/12/6/1121/pdf |
| article xml uploaded. | 22 March 2019 10:49 CET | Update | https://www.mdpi.com/1996-1073/12/6/1121/xml |
| article xml file uploaded | 22 March 2019 10:49 CET | Original file | N/A |