| article html file updated | 7 February 2020 18:35 CET | Update | https://www.mdpi.com/2071-1050/8/12/1226 |
| article html file updated | 22 September 2019 06:51 CEST | Update | - |
| article html file updated | 4 May 2019 21:25 CEST | Update | - |
| article html file updated | 28 December 2016 07:48 CET | Update | - |
| article html file updated | 25 November 2016 09:28 CET | Original file | - |
| article xml uploaded. | 25 November 2016 09:26 CET | Update | https://www.mdpi.com/2071-1050/8/12/1226/xml |
| article xml uploaded. | 25 November 2016 09:26 CET | Original file | - |
| article pdf uploaded. | 25 November 2016 09:26 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1226/pdf |
