| article html file updated | 31 August 2025 11:20 CEST | Update | https://www.mdpi.com/2223-7747/9/2/229 |
| article html file updated | 20 July 2022 19:51 CEST | Update | - |
| article html file updated | 6 March 2020 09:13 CET | Update | - |
| article html file updated | 29 February 2020 09:05 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 09:04 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/229/pdf |
| article xml uploaded. | 29 February 2020 09:04 CET | Update | https://www.mdpi.com/2223-7747/9/2/229/xml |
| article xml file uploaded | 29 February 2020 09:04 CET | Update | - |
| article supplementary file uploaded. | 11 February 2020 12:03 CET | - | https://www.mdpi.com/2223-7747/9/2/229#supplementary |
| article pdf uploaded. | 11 February 2020 12:03 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/229/pdf-vor |
| article xml file uploaded | 11 February 2020 12:03 CET | Original file | - |
