| article html file updated | 17 August 2026 02:12 CEST | Update | https://www.mdpi.com/1999-4907/11/2/187 |
| article html file updated | 31 August 2025 11:01 CEST | Update | N/A |
| article html file updated | 20 July 2022 19:32 CEST | Update | N/A |
| article html file updated | 7 March 2020 05:34 CET | Update | N/A |
| article html file updated | 7 March 2020 04:52 CET | Update | N/A |
| article html file updated | 1 March 2020 14:44 CET | Original file | N/A |
| article pdf uploaded. | 1 March 2020 14:43 CET | Updated version of record | https://www.mdpi.com/1999-4907/11/2/187/pdf |
| article xml uploaded. | 1 March 2020 14:43 CET | Update | https://www.mdpi.com/1999-4907/11/2/187/xml |
| article xml file uploaded | 1 March 2020 14:43 CET | Update | N/A |
| article pdf uploaded. | 7 February 2020 12:54 CET | Version of Record | https://www.mdpi.com/1999-4907/11/2/187/pdf-vor |
| article xml file uploaded | 7 February 2020 12:54 CET | Original file | N/A |
