| article html file updated | 9 February 2020 12:11 CET | Update | https://www.mdpi.com/1996-1073/11/4/814 |
| article html file updated | 2 October 2019 04:54 CEST | Update | - |
| article html file updated | 1 May 2019 06:47 CEST | Update | - |
| article html file updated | 17 April 2019 06:50 CEST | Update | - |
| article html file updated | 29 March 2019 11:55 CET | Update | - |
| article html file updated | 1 May 2018 08:57 CEST | Update | - |
| article html file updated | 3 April 2018 12:45 CEST | Update | - |
| article html file updated | 2 April 2018 23:33 CEST | Original file | - |
| article xml uploaded. | 2 April 2018 07:07 CEST | Update | https://www.mdpi.com/1996-1073/11/4/814/xml |
| article pdf uploaded. | 2 April 2018 07:06 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/814/pdf |
