| article html file updated | 12 February 2020 14:45 CET | Update | https://www.mdpi.com/2227-7102/9/2/114 |
| article html file updated | 4 July 2019 18:02 CEST | Update | - |
| article html file updated | 24 May 2019 08:01 CEST | Original file | - |
| article pdf uploaded. | 24 May 2019 08:00 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/2/114/pdf |
| article xml uploaded. | 24 May 2019 08:00 CEST | Update | https://www.mdpi.com/2227-7102/9/2/114/xml |
| article xml file uploaded | 24 May 2019 08:00 CEST | Original file | - |
