| article html file updated | 8 February 2020 18:29 CET | Update | https://www.mdpi.com/2073-8994/9/10/228 |
| article html file updated | 2 May 2019 21:13 CEST | Update | - |
| article html file updated | 1 November 2017 04:44 CET | Update | - |
| article html file updated | 17 October 2017 09:34 CEST | Original file | - |
| article xml uploaded. | 17 October 2017 09:33 CEST | Original file | https://www.mdpi.com/2073-8994/9/10/228/xml |
| article pdf uploaded. | 17 October 2017 09:33 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/10/228/pdf |
| article pdf uploaded. | 14 October 2017 12:01 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/10/228/pdf-vor |
