| article html file updated | 30 August 2025 20:36 CEST | Update | https://www.mdpi.com/2413-8851/3/2/60 |
| article html file updated | 19 July 2022 19:30 CEST | Update | - |
| article html file updated | 12 February 2020 17:00 CET | Update | - |
| article html file updated | 21 October 2019 04:24 CEST | Update | - |
| article html file updated | 25 June 2019 11:44 CEST | Original file | - |
| article pdf uploaded. | 25 June 2019 11:42 CEST | Updated version of record | https://www.mdpi.com/2413-8851/3/2/60/pdf |
| article xml uploaded. | 25 June 2019 11:42 CEST | Update | https://www.mdpi.com/2413-8851/3/2/60/xml |
| article xml file uploaded | 25 June 2019 11:42 CEST | Update | - |
| article pdf uploaded. | 1 June 2019 11:19 CEST | Version of Record | https://www.mdpi.com/2413-8851/3/2/60/pdf-vor |
| article xml file uploaded | 1 June 2019 11:19 CEST | Original file | - |
