| article html file updated | 30 August 2025 02:42 CEST | Update | https://www.mdpi.com/2504-3900/2/6/259 |
| article html file updated | 21 August 2025 19:32 CEST | Update | - |
| article html file updated | 26 September 2022 12:20 CEST | Original file | - |
| article pdf uploaded. | 23 March 2018 07:25 CET | Updated version of record | https://www.mdpi.com/2504-3900/2/6/259/pdf |
| article pdf uploaded. | 23 February 2018 08:26 CET | Version of Record | https://www.mdpi.com/2504-3900/2/6/259/pdf-vor |
