| article html file updated | 7 February 2020 15:16 CET | Update | https://www.mdpi.com/1424-8220/16/9/1539 |
| article html file updated | 5 May 2019 03:36 CEST | Update | - |
| article html file updated | 27 September 2016 07:44 CEST | Update | - |
| article html file updated | 23 September 2016 09:40 CEST | Update | - |
| article html file updated | 23 September 2016 09:39 CEST | Update | - |
| article xml uploaded. | 23 September 2016 09:38 CEST | Update | https://www.mdpi.com/1424-8220/16/9/1539/xml |
| article xml uploaded. | 23 September 2016 09:38 CEST | Update | - |
| article pdf uploaded. | 23 September 2016 09:38 CEST | Updated version of record | https://www.mdpi.com/1424-8220/16/9/1539/pdf |
| article xml uploaded. | 23 September 2016 09:38 CEST | Update | - |
| article pdf uploaded. | 23 September 2016 09:38 CEST | Updated version of record | https://www.mdpi.com/1424-8220/16/9/1539/pdf-vor |
| article html file updated | 21 September 2016 07:02 CEST | Original file | - |
| article xml uploaded. | 21 September 2016 07:00 CEST | Update | - |
| article xml uploaded. | 21 September 2016 07:00 CEST | Original file | - |
| article pdf uploaded. | 21 September 2016 07:00 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/9/1539/pdf-vor |
