| article html file updated | 30 August 2025 20:38 CEST | Update | https://www.mdpi.com/2227-7390/7/6/504 |
| article html file updated | 19 July 2022 19:32 CEST | Update | - |
| article html file updated | 12 February 2020 17:09 CET | Update | - |
| article html file updated | 4 July 2019 14:15 CEST | Update | - |
| article html file updated | 14 June 2019 08:39 CEST | Original file | - |
| article pdf uploaded. | 14 June 2019 08:38 CEST | Updated version of record | https://www.mdpi.com/2227-7390/7/6/504/pdf |
| article xml uploaded. | 14 June 2019 08:38 CEST | Update | https://www.mdpi.com/2227-7390/7/6/504/xml |
| article xml file uploaded | 14 June 2019 08:38 CEST | Update | - |
| article pdf uploaded. | 2 June 2019 11:53 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/6/504/pdf-vor |
| article xml file uploaded | 2 June 2019 11:53 CEST | Original file | - |
