| article html file updated | 30 August 2025 22:44 CEST | Update | https://www.mdpi.com/2311-5521/4/3/138 |
| article html file updated | 20 July 2022 06:43 CEST | Update | - |
| article html file updated | 13 February 2020 03:34 CET | Update | - |
| article html file updated | 27 September 2019 11:37 CEST | Update | - |
| article html file updated | 19 July 2019 11:42 CEST | Original file | - |
| article pdf uploaded. | 19 July 2019 11:40 CEST | Version of Record | https://www.mdpi.com/2311-5521/4/3/138/pdf |
| article xml uploaded. | 19 July 2019 11:40 CEST | Update | https://www.mdpi.com/2311-5521/4/3/138/xml |
| article xml file uploaded | 19 July 2019 11:40 CEST | Original file | - |
