| article html file updated | 31 August 2025 04:00 CEST | Update | https://www.mdpi.com/2227-9032/7/4/131 |
| article html file updated | 21 August 2025 23:11 CEST | Update | - |
| article html file updated | 14 February 2020 06:27 CET | Update | - |
| article html file updated | 30 December 2019 09:53 CET | Update | - |
| article html file updated | 23 November 2019 10:57 CET | Original file | - |
| article pdf uploaded. | 23 November 2019 10:56 CET | Updated version of record | https://www.mdpi.com/2227-9032/7/4/131/pdf |
| article xml uploaded. | 23 November 2019 10:56 CET | Update | https://www.mdpi.com/2227-9032/7/4/131/xml |
| article xml file uploaded | 23 November 2019 10:56 CET | Update | - |
| article pdf uploaded. | 3 November 2019 12:16 CET | Version of Record | https://www.mdpi.com/2227-9032/7/4/131/pdf-vor |
| article xml file uploaded | 3 November 2019 12:16 CET | Original file | - |
