| article html file updated | 7 February 2020 19:13 CET | Update | https://www.mdpi.com/2071-1050/8/12/1274 |
| article html file updated | 4 May 2019 20:05 CEST | Update | - |
| article html file updated | 28 December 2016 08:15 CET | Update | - |
| article html file updated | 7 December 2016 16:17 CET | Original file | - |
| article xml uploaded. | 7 December 2016 16:15 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1274/xml |
| article pdf uploaded. | 7 December 2016 16:15 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1274/pdf |
