| article html file updated | 9 February 2020 12:34 CET | Update | https://www.mdpi.com/1996-1073/11/4/844 |
| article html file updated | 2 October 2019 07:06 CEST | Update | - |
| article html file updated | 1 May 2019 06:00 CEST | Update | - |
| article html file updated | 17 April 2019 06:07 CEST | Update | - |
| article html file updated | 29 March 2019 12:49 CET | Update | - |
| article html file updated | 1 May 2018 09:06 CEST | Update | - |
| article html file updated | 4 April 2018 14:57 CEST | Original file | - |
| article pdf uploaded. | 4 April 2018 14:56 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/844/pdf |
| article xml uploaded. | 4 April 2018 14:56 CEST | Update | https://www.mdpi.com/1996-1073/11/4/844/xml |
| article xml file uploaded | 4 April 2018 14:56 CEST | Original file | - |
