| article html file updated | 19 August 2026 06:56 CEST | Update | https://www.mdpi.com/1999-4907/12/4/450 |
| article html file updated | 2 September 2025 03:08 CEST | Update | N/A |
| article html file updated | 25 July 2022 11:19 CEST | Update | N/A |
| article html file updated | 4 August 2021 17:25 CEST | Update | N/A |
| article html file updated | 9 April 2021 10:19 CEST | Update | N/A |
| article html file updated | 9 April 2021 10:04 CEST | Update | N/A |
| article html file updated | 9 April 2021 04:54 CEST | Original file | N/A |
| article pdf uploaded. | 9 April 2021 04:53 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/450/pdf |
| article xml uploaded. | 9 April 2021 04:53 CEST | Update | https://www.mdpi.com/1999-4907/12/4/450/xml |
| article xml file uploaded | 9 April 2021 04:53 CEST | Original file | N/A |
| article supplementary file uploaded. | 8 April 2021 14:43 CEST | - | https://www.mdpi.com/1999-4907/12/4/450#supplementary |
| article pdf uploaded. | 8 April 2021 14:43 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/4/450/pdf-vor |
