| article html file updated | 31 August 2025 06:50 CEST | Update | https://www.mdpi.com/1999-4923/12/1/2 |
| article html file updated | 19 July 2022 21:26 CEST | Update | N/A |
| article html file updated | 14 February 2020 19:38 CET | Update | N/A |
| article html file updated | 5 February 2020 12:22 CET | Update | N/A |
| article html file updated | 23 December 2019 13:07 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2019 13:06 CET | Updated version of record | https://www.mdpi.com/1999-4923/12/1/2/pdf |
| article xml uploaded. | 23 December 2019 13:06 CET | Update | https://www.mdpi.com/1999-4923/12/1/2/xml |
| article xml file uploaded | 23 December 2019 13:06 CET | Update | N/A |
| article supplementary file uploaded. | 18 December 2019 08:44 CET | - | https://www.mdpi.com/1999-4923/12/1/2#supplementary |
| article pdf uploaded. | 18 December 2019 08:44 CET | Version of Record | https://www.mdpi.com/1999-4923/12/1/2/pdf-vor |
| article xml file uploaded | 18 December 2019 08:44 CET | Original file | N/A |