| article html file updated | 8 February 2020 04:56 CET | Update | https://www.mdpi.com/2071-1050/9/5/726 |
| article html file updated | 24 September 2019 15:11 CEST | Update | - |
| article html file updated | 3 May 2019 23:43 CEST | Update | - |
| article html file updated | 31 May 2017 10:29 CEST | Update | - |
| article html file updated | 23 May 2017 03:33 CEST | Update | - |
| article html file updated | 3 May 2017 15:39 CEST | Update | - |
| article html file updated | 3 May 2017 15:38 CEST | Update | - |
| article html file updated | 3 May 2017 15:38 CEST | Original file | - |
| article xml uploaded. | 3 May 2017 15:37 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/726/xml |
| article pdf uploaded. | 3 May 2017 15:37 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/726/pdf |