| article html file updated | 12 February 2020 00:33 CET | Update | https://www.mdpi.com/1996-1944/12/6/981 |
| article html file updated | 17 October 2019 03:25 CEST | Update | - |
| article html file updated | 25 April 2019 22:08 CEST | Update | - |
| article html file updated | 11 April 2019 17:16 CEST | Update | - |
| article html file updated | 9 April 2019 20:03 CEST | Update | - |
| article html file updated | 25 March 2019 08:16 CET | Original file | - |
| article pdf uploaded. | 25 March 2019 08:15 CET | Version of Record | https://www.mdpi.com/1996-1944/12/6/981/pdf |
| article xml uploaded. | 25 March 2019 08:15 CET | Update | https://www.mdpi.com/1996-1944/12/6/981/xml |
| article xml file uploaded | 25 March 2019 08:15 CET | Original file | - |
