| article html file updated | 9 February 2020 07:18 CET | Update | https://www.mdpi.com/1996-1073/11/2/462 |
| article html file updated | 30 September 2019 23:15 CEST | Update | - |
| article html file updated | 1 May 2019 17:00 CEST | Update | - |
| article html file updated | 17 April 2019 16:24 CEST | Update | - |
| article html file updated | 29 March 2019 00:45 CET | Update | - |
| article html file updated | 14 March 2018 16:30 CET | Update | - |
| article html file updated | 23 February 2018 15:58 CET | Original file | - |
| article xml uploaded. | 23 February 2018 15:57 CET | Original file | https://www.mdpi.com/1996-1073/11/2/462/xml |
| article pdf uploaded. | 23 February 2018 15:57 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/462/pdf |
| article pdf uploaded. | 22 February 2018 18:39 CET | Version of Record | - |
