| article html file updated | 30 August 2025 23:30 CEST | Update | https://www.mdpi.com/2297-8739/6/3/39 |
| article html file updated | 20 July 2022 05:46 CEST | Update | N/A |
| article html file updated | 13 February 2020 07:30 CET | Update | N/A |
| article html file updated | 26 September 2019 13:36 CEST | Update | N/A |
| article html file updated | 5 August 2019 09:57 CEST | Original file | N/A |
| article pdf uploaded. | 5 August 2019 09:56 CEST | Version of Record | https://www.mdpi.com/2297-8739/6/3/39/pdf |
| article xml uploaded. | 5 August 2019 09:56 CEST | Update | https://www.mdpi.com/2297-8739/6/3/39/xml |
| article xml file uploaded | 5 August 2019 09:56 CEST | Original file | N/A |
