| article html file updated | 9 February 2020 05:40 CET | Update | https://www.mdpi.com/1996-1073/11/2/379 |
| article html file updated | 30 September 2019 13:35 CEST | Update | - |
| article html file updated | 1 May 2019 20:38 CEST | Update | - |
| article html file updated | 17 April 2019 19:38 CEST | Update | - |
| article html file updated | 28 March 2019 21:14 CET | Update | - |
| article html file updated | 14 March 2018 16:06 CET | Update | - |
| article html file updated | 6 February 2018 14:02 CET | Original file | - |
| article xml uploaded. | 6 February 2018 14:00 CET | Update | https://www.mdpi.com/1996-1073/11/2/379/xml |
| article xml uploaded. | 6 February 2018 14:00 CET | Update | - |
| article xml uploaded. | 6 February 2018 14:00 CET | Original file | - |
| article pdf uploaded. | 6 February 2018 14:00 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/379/pdf |
