| article html file updated | 7 February 2020 14:29 CET | Update | https://www.mdpi.com/1424-8220/16/9/1428 |
| article html file updated | 5 May 2019 05:01 CEST | Update | - |
| article html file updated | 27 September 2016 07:00 CEST | Update | - |
| article html file updated | 13 September 2016 09:57 CEST | Update | - |
| article xml uploaded. | 13 September 2016 09:56 CEST | Update | https://www.mdpi.com/1424-8220/16/9/1428/xml |
| article pdf uploaded. | 13 September 2016 09:56 CEST | Updated version of record | https://www.mdpi.com/1424-8220/16/9/1428/pdf |
| article html file updated | 6 September 2016 09:08 CEST | Original file | - |
| article xml uploaded. | 6 September 2016 09:07 CEST | Update | - |
| article xml uploaded. | 6 September 2016 09:07 CEST | Original file | - |
| article pdf uploaded. | 6 September 2016 09:07 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/9/1428/pdf-vor |
