| article html file updated | 17 August 2026 00:01 CEST | Update | https://www.mdpi.com/1999-4907/11/1/109 |
| article html file updated | 31 August 2025 09:04 CEST | Update | N/A |
| article html file updated | 20 July 2022 17:36 CEST | Update | N/A |
| article html file updated | 15 February 2020 03:11 CET | Update | N/A |
| article html file updated | 7 February 2020 06:11 CET | Update | N/A |
| article html file updated | 23 January 2020 02:58 CET | Original file | N/A |
| article pdf uploaded. | 23 January 2020 02:56 CET | Updated version of record | https://www.mdpi.com/1999-4907/11/1/109/pdf |
| article xml uploaded. | 23 January 2020 02:56 CET | Update | https://www.mdpi.com/1999-4907/11/1/109/xml |
| article xml file uploaded | 23 January 2020 02:56 CET | Update | N/A |
| article pdf uploaded. | 15 January 2020 15:40 CET | Version of Record | https://www.mdpi.com/1999-4907/11/1/109/pdf-vor |
| article xml file uploaded | 15 January 2020 15:40 CET | Original file | N/A |
