| article html file updated | 12 February 2020 02:34 CET | Update | https://www.mdpi.com/2227-9032/7/2/55 |
| article html file updated | 17 October 2019 15:41 CEST | Update | - |
| article html file updated | 5 July 2019 14:27 CEST | Update | - |
| article html file updated | 5 July 2019 08:13 CEST | Update | - |
| article html file updated | 29 April 2019 09:47 CEST | Original file | - |
| article pdf uploaded. | 29 April 2019 09:46 CEST | Updated version of record | https://www.mdpi.com/2227-9032/7/2/55/pdf |
| article xml uploaded. | 29 April 2019 09:46 CEST | Update | https://www.mdpi.com/2227-9032/7/2/55/xml |
| article xml file uploaded | 29 April 2019 09:46 CEST | Update | - |
| article pdf uploaded. | 2 April 2019 16:27 CEST | Version of Record | https://www.mdpi.com/2227-9032/7/2/55/pdf-vor |
| article xml file uploaded | 2 April 2019 16:27 CEST | Original file | - |