| article html file updated | 9 February 2020 11:35 CET | Update | https://www.mdpi.com/1996-1073/11/4/769 |
| article html file updated | 2 October 2019 01:19 CEST | Update | - |
| article html file updated | 1 May 2019 08:00 CEST | Update | - |
| article html file updated | 17 April 2019 07:57 CEST | Update | - |
| article html file updated | 29 March 2019 10:34 CET | Update | - |
| article html file updated | 1 May 2018 08:43 CEST | Update | - |
| article html file updated | 28 March 2018 11:32 CEST | Original file | - |
| article xml uploaded. | 28 March 2018 11:31 CEST | Original file | https://www.mdpi.com/1996-1073/11/4/769/xml |
| article pdf uploaded. | 28 March 2018 11:31 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/769/pdf |
