| article html file updated | 12 February 2020 07:21 CET | Update | https://www.mdpi.com/2226-4787/7/2/40 |
| article html file updated | 18 October 2019 21:25 CEST | Update | - |
| article html file updated | 5 July 2019 18:06 CEST | Update | - |
| article html file updated | 30 April 2019 11:55 CEST | Original file | - |
| article pdf uploaded. | 30 April 2019 11:54 CEST | Updated version of record | https://www.mdpi.com/2226-4787/7/2/40/pdf |
| article xml uploaded. | 30 April 2019 11:54 CEST | Update | https://www.mdpi.com/2226-4787/7/2/40/xml |
| article xml file uploaded | 30 April 2019 11:54 CEST | Update | - |
| article pdf uploaded. | 24 April 2019 12:10 CEST | Updated version of record | https://www.mdpi.com/2226-4787/7/2/40/pdf-vor |
| article pdf uploaded. | 24 April 2019 12:09 CEST | Updated version of record | https://www.mdpi.com/2226-4787/7/2/40/pdf-vor |
| article pdf uploaded. | 24 April 2019 07:52 CEST | Version of Record | https://www.mdpi.com/2226-4787/7/2/40/pdf-vor |
| article xml file uploaded | 24 April 2019 07:52 CEST | Original file | - |