| article html file updated | 7 February 2020 14:50 CET | Update | https://www.mdpi.com/2071-1050/8/9/927 |
| article html file updated | 5 May 2019 04:22 CEST | Update | - |
| article html file updated | 27 September 2016 05:24 CEST | Update | - |
| article html file updated | 12 September 2016 08:25 CEST | Original file | - |
| article xml uploaded. | 12 September 2016 08:23 CEST | Update | https://www.mdpi.com/2071-1050/8/9/927/xml |
| article xml uploaded. | 12 September 2016 08:23 CEST | Original file | - |
| article pdf uploaded. | 12 September 2016 08:23 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/927/pdf |
