| article html file updated | 8 February 2020 05:46 CET | Update | https://www.mdpi.com/2071-1050/9/5/809 |
| article html file updated | 24 September 2019 19:26 CEST | Update | N/A |
| article html file updated | 3 May 2019 22:14 CEST | Update | N/A |
| article html file updated | 31 May 2017 10:42 CEST | Update | N/A |
| article html file updated | 23 May 2017 04:10 CEST | Update | N/A |
| article html file updated | 12 May 2017 14:41 CEST | Original file | N/A |
| article xml uploaded. | 12 May 2017 14:39 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/809/xml |
| article pdf uploaded. | 12 May 2017 14:39 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/809/pdf |
