| article html file updated | 8 February 2020 07:20 CET | Update | https://www.mdpi.com/2073-8994/9/6/83 |
| article html file updated | 25 September 2019 03:28 CEST | Update | - |
| article html file updated | 3 May 2019 19:15 CEST | Update | - |
| article html file updated | 28 June 2017 14:54 CEST | Update | - |
| article html file updated | 5 June 2017 09:39 CEST | Original file | - |
| article xml uploaded. | 5 June 2017 09:38 CEST | Original file | https://www.mdpi.com/2073-8994/9/6/83/xml |
| article pdf uploaded. | 5 June 2017 09:38 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/6/83/pdf |
| article pdf uploaded. | 2 June 2017 13:34 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/6/83/pdf-vor |
