| article html file updated | 7 February 2020 23:38 CET | Update | https://www.mdpi.com/2071-1050/9/2/286 |
| article html file updated | 23 September 2019 09:20 CEST | Update | - |
| article html file updated | 4 May 2019 10:46 CEST | Update | - |
| article html file updated | 1 March 2017 10:41 CET | Update | - |
| article html file updated | 22 February 2017 10:41 CET | Update | - |
| article xml uploaded. | 22 February 2017 10:40 CET | Update | https://www.mdpi.com/2071-1050/9/2/286/xml |
| article xml uploaded. | 22 February 2017 10:40 CET | Update | - |
| article pdf uploaded. | 22 February 2017 10:40 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/2/286/pdf |
| article html file updated | 17 February 2017 12:23 CET | Original file | - |
| article xml uploaded. | 17 February 2017 12:22 CET | Original file | - |
| article pdf uploaded. | 17 February 2017 12:22 CET | Version of Record | https://www.mdpi.com/2071-1050/9/2/286/pdf-vor |