| article html file updated | 31 August 2025 18:25 CEST | Update | https://www.mdpi.com/2227-9067/7/4/37 |
| article html file updated | 21 July 2022 02:51 CEST | Update | - |
| article html file updated | 27 April 2020 02:44 CEST | Update | - |
| article pdf uploaded. | 27 April 2020 02:43 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/4/37/pdf |
| article xml uploaded. | 27 April 2020 02:43 CEST | Update | https://www.mdpi.com/2227-9067/7/4/37/xml |
| article xml file uploaded | 27 April 2020 02:43 CEST | Update | - |
| article html file updated | 27 April 2020 02:41 CEST | Update | - |
| article pdf uploaded. | 27 April 2020 02:40 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/4/37/pdf-vor |
| article xml file uploaded | 27 April 2020 02:40 CEST | Update | - |
| article html file updated | 24 April 2020 11:10 CEST | Update | - |
| article html file updated | 24 April 2020 11:10 CEST | Original file | - |
| article pdf uploaded. | 24 April 2020 11:09 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/4/37/pdf-vor |
| article xml file uploaded | 24 April 2020 11:09 CEST | Update | - |
| article xml file uploaded | 24 April 2020 11:09 CEST | Update | - |
| article pdf uploaded. | 24 April 2020 11:09 CEST | Version of Record | https://www.mdpi.com/2227-9067/7/4/37/pdf-vor |
