| article html file updated | 17 August 2026 00:16 CEST | Update | https://www.mdpi.com/2227-9717/8/1/121 |
| article html file updated | 24 December 2025 17:08 CET | Update | N/A |
| article html file updated | 31 August 2025 09:18 CEST | Update | N/A |
| article html file updated | 20 July 2022 17:49 CEST | Update | N/A |
| article html file updated | 15 February 2020 03:57 CET | Update | N/A |
| article html file updated | 7 February 2020 02:50 CET | Update | N/A |
| article html file updated | 23 January 2020 07:38 CET | Original file | N/A |
| article pdf uploaded. | 23 January 2020 07:37 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/1/121/pdf |
| article xml uploaded. | 23 January 2020 07:37 CET | Update | https://www.mdpi.com/2227-9717/8/1/121/xml |
| article xml file uploaded | 23 January 2020 07:37 CET | Update | N/A |
| article pdf uploaded. | 17 January 2020 16:25 CET | Version of Record | https://www.mdpi.com/2227-9717/8/1/121/pdf-vor |
| article xml file uploaded | 17 January 2020 16:25 CET | Original file | N/A |
