| article html file updated | 10 February 2020 22:08 CET | Update | https://www.mdpi.com/2227-9091/6/4/134 |
| article html file updated | 28 April 2019 06:15 CEST | Update | - |
| article html file updated | 14 April 2019 02:14 CEST | Update | - |
| article html file updated | 1 April 2019 23:15 CEST | Update | - |
| article html file updated | 26 December 2018 10:57 CET | Update | - |
| article html file updated | 19 November 2018 11:41 CET | Original file | - |
| article pdf uploaded. | 19 November 2018 11:40 CET | Version of Record | https://www.mdpi.com/2227-9091/6/4/134/pdf |
| article xml uploaded. | 19 November 2018 11:40 CET | Update | https://www.mdpi.com/2227-9091/6/4/134/xml |
| article xml file uploaded | 19 November 2018 11:40 CET | Original file | - |
