| article html file updated | 17 August 2026 13:18 CEST | Update | https://www.mdpi.com/2226-4787/8/2/91 |
| article html file updated | 31 August 2025 21:44 CEST | Update | N/A |
| article html file updated | 21 July 2022 06:08 CEST | Update | N/A |
| article html file updated | 6 June 2020 04:04 CEST | Original file | N/A |
| article pdf uploaded. | 6 June 2020 03:40 CEST | Updated version of record | https://www.mdpi.com/2226-4787/8/2/91/pdf |
| article xml uploaded. | 6 June 2020 03:40 CEST | Update | https://www.mdpi.com/2226-4787/8/2/91/xml |
| article xml file uploaded | 6 June 2020 03:40 CEST | Original file | N/A |
| article pdf uploaded. | 27 May 2020 11:25 CEST | Version of Record | https://www.mdpi.com/2226-4787/8/2/91/pdf-vor |
