| article html file updated | 8 February 2020 05:41 CET | Update | https://www.mdpi.com/2071-1050/9/5/807 |
| article html file updated | 3 May 2019 22:22 CEST | Update | - |
| article html file updated | 31 May 2017 10:41 CEST | Update | - |
| article html file updated | 23 May 2017 04:07 CEST | Update | - |
| article html file updated | 12 May 2017 15:23 CEST | Original file | - |
| article xml uploaded. | 12 May 2017 15:22 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/807/xml |
| article pdf uploaded. | 12 May 2017 15:22 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/807/pdf |
