| article html file updated | 31 August 2025 07:19 CEST | Update | https://www.mdpi.com/1999-4915/12/1/21 |
| article html file updated | 19 July 2022 20:58 CEST | Update | N/A |
| article html file updated | 14 February 2020 21:11 CET | Update | N/A |
| article html file updated | 6 February 2020 22:58 CET | Update | N/A |
| article html file updated | 30 December 2019 11:54 CET | Original file | N/A |
| article pdf uploaded. | 30 December 2019 11:32 CET | Updated version of record | https://www.mdpi.com/1999-4915/12/1/21/pdf |
| article xml uploaded. | 30 December 2019 11:32 CET | Update | https://www.mdpi.com/1999-4915/12/1/21/xml |
| article xml file uploaded | 30 December 2019 11:32 CET | Update | N/A |
| article pdf uploaded. | 23 December 2019 15:16 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/21/pdf-vor |
| article xml file uploaded | 23 December 2019 15:16 CET | Original file | N/A |
