| article html file updated | 8 February 2020 10:14 CET | Update | https://www.mdpi.com/2073-8994/9/7/110 |
| article html file updated | 25 September 2019 18:54 CEST | Update | - |
| article html file updated | 3 May 2019 13:47 CEST | Update | - |
| article html file updated | 31 July 2017 10:00 CEST | Update | - |
| article html file updated | 7 July 2017 05:29 CEST | Original file | - |
| article xml uploaded. | 7 July 2017 05:27 CEST | Original file | https://www.mdpi.com/2073-8994/9/7/110/xml |
| article pdf uploaded. | 7 July 2017 05:27 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/7/110/pdf |
| article pdf uploaded. | 6 July 2017 11:01 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/7/110/pdf-vor |
