| article html file updated | 31 August 2025 10:57 CEST | Update | https://www.mdpi.com/2223-7747/9/2/208 |
| article html file updated | 20 July 2022 19:28 CEST | Update | - |
| article html file updated | 6 March 2020 08:58 CET | Update | - |
| article html file updated | 29 February 2020 16:53 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 16:52 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/208/pdf |
| article xml uploaded. | 29 February 2020 16:52 CET | Update | https://www.mdpi.com/2223-7747/9/2/208/xml |
| article xml file uploaded | 29 February 2020 16:52 CET | Update | - |
| article pdf uploaded. | 6 February 2020 15:16 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/208/pdf-vor |
| article xml file uploaded | 6 February 2020 15:16 CET | Update | - |
| article supplementary file uploaded. | 6 February 2020 15:16 CET | - | https://www.mdpi.com/2223-7747/9/2/208#supplementary |
| article pdf uploaded. | 6 February 2020 15:16 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/208/pdf-vor |
| article xml file uploaded | 6 February 2020 15:16 CET | Original file | - |
