| article html file updated | 7 February 2020 14:43 CET | Update | https://www.mdpi.com/1424-8220/16/9/1461 |
| article html file updated | 5 May 2019 04:35 CEST | Update | - |
| article html file updated | 27 September 2016 07:15 CEST | Update | - |
| article html file updated | 9 September 2016 09:43 CEST | Original file | - |
| article xml uploaded. | 9 September 2016 09:41 CEST | Update | https://www.mdpi.com/1424-8220/16/9/1461/xml |
| article xml uploaded. | 9 September 2016 09:41 CEST | Update | - |
| article xml uploaded. | 9 September 2016 09:41 CEST | Update | - |
| article xml uploaded. | 9 September 2016 09:41 CEST | Update | - |
| article xml uploaded. | 9 September 2016 09:41 CEST | Original file | - |
| article pdf uploaded. | 9 September 2016 09:10 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/9/1461/pdf |
