| article html file updated | 9 February 2020 14:19 CET | Update | https://www.mdpi.com/1996-1073/11/4/974 |
| article html file updated | 2 October 2019 17:49 CEST | Update | - |
| article html file updated | 1 May 2019 02:30 CEST | Update | - |
| article html file updated | 17 April 2019 03:00 CEST | Update | - |
| article html file updated | 29 March 2019 16:50 CET | Update | - |
| article html file updated | 1 May 2018 09:49 CEST | Update | - |
| article html file updated | 18 April 2018 11:45 CEST | Original file | - |
| article pdf uploaded. | 18 April 2018 11:44 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/974/pdf |
| article xml uploaded. | 18 April 2018 11:44 CEST | Update | https://www.mdpi.com/1996-1073/11/4/974/xml |
| article xml file uploaded | 18 April 2018 11:44 CEST | Original file | - |
