| article html file updated | 31 August 2025 11:12 CEST | Update | https://www.mdpi.com/2223-7747/9/2/224 |
| article html file updated | 20 July 2022 19:44 CEST | Update | - |
| article html file updated | 6 March 2020 09:09 CET | Update | - |
| article html file updated | 29 February 2020 16:14 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 16:13 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/224/pdf |
| article xml uploaded. | 29 February 2020 16:13 CET | Update | https://www.mdpi.com/2223-7747/9/2/224/xml |
| article xml file uploaded | 29 February 2020 16:13 CET | Update | - |
| article supplementary file uploaded. | 10 February 2020 10:27 CET | - | https://www.mdpi.com/2223-7747/9/2/224#supplementary |
| article pdf uploaded. | 10 February 2020 10:27 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/224/pdf-vor |
| article xml file uploaded | 10 February 2020 10:27 CET | Original file | - |
