| article html file updated | 8 February 2020 09:11 CET | Update | https://www.mdpi.com/2073-4441/9/7/459 |
| article html file updated | 25 September 2019 13:15 CEST | Update | - |
| article html file updated | 3 May 2019 15:45 CEST | Update | - |
| article html file updated | 1 August 2017 09:27 CEST | Update | - |
| article html file updated | 26 June 2017 08:50 CEST | Original file | - |
| article xml uploaded. | 26 June 2017 08:48 CEST | Original file | https://www.mdpi.com/2073-4441/9/7/459/xml |
| article pdf uploaded. | 26 June 2017 08:48 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/7/459/pdf |
| article pdf uploaded. | 24 June 2017 12:49 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/459/pdf-vor |
