| article html file updated | 12 February 2020 06:20 CET | Update | https://www.mdpi.com/2227-9091/7/2/44 |
| article html file updated | 18 October 2019 14:56 CEST | Update | - |
| article html file updated | 5 July 2019 07:09 CEST | Update | - |
| article html file updated | 30 April 2019 12:47 CEST | Original file | - |
| article pdf uploaded. | 30 April 2019 12:46 CEST | Updated version of record | https://www.mdpi.com/2227-9091/7/2/44/pdf |
| article xml uploaded. | 30 April 2019 12:46 CEST | Update | https://www.mdpi.com/2227-9091/7/2/44/xml |
| article xml file uploaded | 30 April 2019 12:46 CEST | Update | - |
| article pdf uploaded. | 18 April 2019 16:35 CEST | Version of Record | https://www.mdpi.com/2227-9091/7/2/44/pdf-vor |
| article xml file uploaded | 18 April 2019 16:35 CEST | Original file | - |
