| article html file updated | 11 February 2020 18:26 CET | Update | https://www.mdpi.com/2227-9067/6/2/34 |
| article html file updated | 26 April 2019 11:37 CEST | Update | - |
| article html file updated | 12 April 2019 07:06 CEST | Update | - |
| article html file updated | 4 April 2019 03:10 CEST | Update | - |
| article html file updated | 1 March 2019 12:39 CET | Update | - |
| article html file updated | 26 February 2019 11:19 CET | Original file | - |
| article pdf uploaded. | 26 February 2019 11:18 CET | Updated version of record | https://www.mdpi.com/2227-9067/6/2/34/pdf |
| article xml uploaded. | 26 February 2019 11:18 CET | Update | https://www.mdpi.com/2227-9067/6/2/34/xml |
| article xml file uploaded | 26 February 2019 11:18 CET | Update | - |
| article pdf uploaded. | 25 February 2019 13:48 CET | Version of Record | https://www.mdpi.com/2227-9067/6/2/34/pdf-vor |
| article xml file uploaded | 25 February 2019 13:48 CET | Original file | - |
