| article html file updated | 31 August 2025 11:33 CEST | Update | https://www.mdpi.com/2227-9032/8/1/39 |
| article html file updated | 20 July 2022 20:05 CEST | Update | - |
| article html file updated | 1 April 2020 10:50 CEST | Update | - |
| article html file updated | 15 February 2020 09:31 CET | Update | - |
| article html file updated | 13 February 2020 13:52 CET | Update | - |
| article html file updated | 13 February 2020 13:52 CET | Original file | - |
| article pdf uploaded. | 13 February 2020 13:50 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/1/39/pdf |
| article xml uploaded. | 13 February 2020 13:50 CET | Update | https://www.mdpi.com/2227-9032/8/1/39/xml |
| article xml file uploaded | 13 February 2020 13:50 CET | Update | - |
| article pdf uploaded. | 13 February 2020 13:50 CET | Version of Record | - |
| article xml uploaded. | 13 February 2020 13:50 CET | Update | - |
| article xml file uploaded | 13 February 2020 13:50 CET | Original file | - |
