| article html file updated | 9 February 2020 05:20 CET | Update | https://www.mdpi.com/1996-1073/11/2/336 |
| article html file updated | 30 September 2019 11:30 CEST | Update | - |
| article html file updated | 1 May 2019 21:25 CEST | Update | - |
| article html file updated | 17 April 2019 20:17 CEST | Update | - |
| article html file updated | 28 March 2019 20:29 CET | Update | - |
| article html file updated | 14 March 2018 15:48 CET | Update | - |
| article html file updated | 2 February 2018 11:32 CET | Original file | - |
| article xml uploaded. | 2 February 2018 11:17 CET | Update | https://www.mdpi.com/1996-1073/11/2/336/xml |
| article xml uploaded. | 2 February 2018 11:17 CET | Original file | - |
| article pdf uploaded. | 2 February 2018 11:17 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/336/pdf |
