| article html file updated | 8 February 2020 05:20 CET | Update | https://www.mdpi.com/2071-1050/9/5/771 |
| article html file updated | 24 September 2019 17:13 CEST | Update | - |
| article html file updated | 3 May 2019 23:00 CEST | Update | - |
| article html file updated | 31 May 2017 10:37 CEST | Update | - |
| article html file updated | 23 May 2017 03:52 CEST | Update | - |
| article html file updated | 8 May 2017 12:57 CEST | Original file | - |
| article xml uploaded. | 8 May 2017 12:55 CEST | Update | https://www.mdpi.com/2071-1050/9/5/771/xml |
| article pdf uploaded. | 8 May 2017 12:55 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/771/pdf |
