| article html file updated | 17 August 2026 15:21 CEST | Update | https://www.mdpi.com/2223-7747/9/6/753 |
| article html file updated | 24 December 2025 19:20 CET | Update | N/A |
| article html file updated | 31 August 2025 23:43 CEST | Update | N/A |
| article html file updated | 21 July 2022 20:58 CEST | Update | N/A |
| article html file updated | 6 July 2020 13:00 CEST | Update | N/A |
| article html file updated | 17 June 2020 08:16 CEST | Original file | N/A |
| article pdf uploaded. | 17 June 2020 08:15 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/753/pdf |
| article xml uploaded. | 17 June 2020 08:15 CEST | Update | https://www.mdpi.com/2223-7747/9/6/753/xml |
| article xml file uploaded | 17 June 2020 08:15 CEST | Original file | N/A |
| article pdf uploaded. | 15 June 2020 17:14 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/6/753/pdf-vor |
