| article html file updated | 7 February 2020 15:07 CET | Update | https://www.mdpi.com/1424-8220/16/9/1519 |
| article html file updated | 5 May 2019 03:52 CEST | Update | - |
| article html file updated | 27 September 2016 07:36 CEST | Update | - |
| article html file updated | 20 September 2016 11:40 CEST | Original file | - |
| article xml uploaded. | 20 September 2016 11:38 CEST | Update | https://www.mdpi.com/1424-8220/16/9/1519/xml |
| article xml uploaded. | 20 September 2016 11:38 CEST | Update | - |
| article xml uploaded. | 20 September 2016 11:38 CEST | Original file | - |
| article pdf uploaded. | 20 September 2016 11:38 CEST | Updated version of record | https://www.mdpi.com/1424-8220/16/9/1519/pdf |
| article pdf uploaded. | 17 September 2016 06:50 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/9/1519/pdf-vor |
