| article html file updated | 31 August 2025 20:04 CEST | Update | https://www.mdpi.com/2309-608X/6/2/60 |
| article html file updated | 21 July 2022 04:29 CEST | Update | - |
| article html file updated | 18 June 2020 06:27 CEST | Original file | - |
| article pdf uploaded. | 18 June 2020 06:25 CEST | Updated version of record | https://www.mdpi.com/2309-608X/6/2/60/pdf |
| article xml uploaded. | 18 June 2020 06:25 CEST | Update | https://www.mdpi.com/2309-608X/6/2/60/xml |
| article xml file uploaded | 18 June 2020 06:25 CEST | Update | - |
| article pdf uploaded. | 11 May 2020 15:12 CEST | Updated version of record | https://www.mdpi.com/2309-608X/6/2/60/pdf-vor |
| article xml file uploaded | 11 May 2020 15:12 CEST | Update | - |
| article pdf uploaded. | 11 May 2020 15:12 CEST | Version of Record | https://www.mdpi.com/2309-608X/6/2/60/pdf-vor |
| article xml file uploaded | 11 May 2020 15:12 CEST | Original file | - |
