| article html file updated | 12 February 2020 06:53 CET | Update | https://www.mdpi.com/2227-7102/9/2/86 |
| article html file updated | 4 July 2019 17:55 CEST | Update | - |
| article html file updated | 30 April 2019 11:35 CEST | Original file | - |
| article pdf uploaded. | 30 April 2019 11:34 CEST | Updated version of record | https://www.mdpi.com/2227-7102/9/2/86/pdf |
| article xml uploaded. | 30 April 2019 11:34 CEST | Update | https://www.mdpi.com/2227-7102/9/2/86/xml |
| article xml file uploaded | 30 April 2019 11:34 CEST | Update | - |
| article pdf uploaded. | 22 April 2019 08:06 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/2/86/pdf-vor |
| article xml file uploaded | 22 April 2019 08:06 CEST | Original file | - |
