| article html file updated | 7 February 2020 14:59 CET | Update | https://www.mdpi.com/1424-8220/16/9/1499 |
| article html file updated | 5 May 2019 04:06 CEST | Update | - |
| article html file updated | 27 September 2016 07:27 CEST | Update | - |
| article html file updated | 14 September 2016 11:32 CEST | Original file | - |
| article xml uploaded. | 14 September 2016 11:31 CEST | Update | https://www.mdpi.com/1424-8220/16/9/1499/xml |
| article xml uploaded. | 14 September 2016 11:31 CEST | Original file | - |
| article pdf uploaded. | 14 September 2016 11:31 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/9/1499/pdf |
