| article html file updated | 12 February 2020 06:54 CET | Update | https://www.mdpi.com/2224-2708/8/2/22 |
| article html file updated | 18 October 2019 18:32 CEST | Update | - |
| article html file updated | 5 July 2019 13:16 CEST | Update | - |
| article html file updated | 5 July 2019 08:40 CEST | Update | - |
| article html file updated | 3 May 2019 16:36 CEST | Update | - |
| article html file updated | 3 May 2019 16:35 CEST | Update | - |
| article xml uploaded. | 3 May 2019 16:34 CEST | Update | https://www.mdpi.com/2224-2708/8/2/22/xml |
| article pdf uploaded. | 3 May 2019 16:34 CEST | Updated version of record | https://www.mdpi.com/2224-2708/8/2/22/pdf |
| article html file updated | 29 April 2019 13:27 CEST | Original file | - |
| article pdf uploaded. | 29 April 2019 13:25 CEST | Updated version of record | https://www.mdpi.com/2224-2708/8/2/22/pdf-vor |
| article xml file uploaded | 29 April 2019 13:25 CEST | Update | - |
| article pdf uploaded. | 22 April 2019 08:23 CEST | Version of Record | https://www.mdpi.com/2224-2708/8/2/22/pdf-vor |
| article xml file uploaded | 22 April 2019 08:23 CEST | Original file | - |