| article html file updated | 7 February 2020 18:59 CET | Update | https://www.mdpi.com/2071-1050/8/12/1256 |
| article html file updated | 4 May 2019 20:33 CEST | Update | - |
| article html file updated | 28 December 2016 08:12 CET | Update | - |
| article html file updated | 2 December 2016 09:57 CET | Original file | - |
| article xml uploaded. | 2 December 2016 09:56 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1256/xml |
| article pdf uploaded. | 2 December 2016 09:56 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1256/pdf |
