| article html file updated | 25 December 2025 00:55 CET | Update | https://www.mdpi.com/1999-4915/13/1/9 |
| article html file updated | 1 September 2025 16:46 CEST | Update | N/A |
| article html file updated | 22 August 2025 00:28 CEST | Update | N/A |
| article html file updated | 23 July 2022 06:42 CEST | Update | N/A |
| article html file updated | 5 January 2021 02:10 CET | Update | N/A |
| article pdf uploaded. | 5 January 2021 02:09 CET | Updated version of record | https://www.mdpi.com/1999-4915/13/1/9/pdf |
| article xml uploaded. | 5 January 2021 02:09 CET | Update | https://www.mdpi.com/1999-4915/13/1/9/xml |
| article xml file uploaded | 5 January 2021 02:09 CET | Update | N/A |
| article html file updated | 30 December 2020 08:33 CET | Update | N/A |
| article pdf uploaded. | 30 December 2020 08:32 CET | Updated version of record | https://www.mdpi.com/1999-4915/13/1/9/pdf-vor |
| article xml uploaded. | 30 December 2020 08:32 CET | Update | N/A |
| article xml file uploaded | 30 December 2020 08:32 CET | Update | N/A |
| article html file updated | 30 December 2020 08:13 CET | Original file | N/A |
| article pdf uploaded. | 30 December 2020 08:12 CET | Updated version of record | https://www.mdpi.com/1999-4915/13/1/9/pdf-vor |
| article xml uploaded. | 30 December 2020 08:12 CET | Update | N/A |
| article xml file uploaded | 30 December 2020 08:12 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2020 10:23 CET | Version of Record | https://www.mdpi.com/1999-4915/13/1/9/pdf-vor |
| article supplementary file uploaded. | 23 December 2020 10:23 CET | - | https://www.mdpi.com/1999-4915/13/1/9#supplementary |
