| article html file updated | 1 September 2025 04:35 CEST | Update | https://www.mdpi.com/2223-7747/9/8/973 |
| article html file updated | 22 July 2022 02:04 CEST | Update | - |
| article html file updated | 27 November 2020 04:46 CET | Update | - |
| article xml uploaded. | 27 November 2020 04:44 CET | Update | https://www.mdpi.com/2223-7747/9/8/973/xml |
| article xml uploaded. | 27 November 2020 04:44 CET | Update | - |
| article xml uploaded. | 27 November 2020 04:44 CET | Update | - |
| article pdf uploaded. | 27 November 2020 04:44 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/8/973/pdf |
| article html file updated | 28 August 2020 05:40 CEST | Update | - |
| article html file updated | 5 August 2020 04:01 CEST | Original file | - |
| article pdf uploaded. | 5 August 2020 03:59 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/8/973/pdf-vor |
| article xml file uploaded | 5 August 2020 03:59 CEST | Original file | - |
| article supplementary file uploaded. | 31 July 2020 16:29 CEST | - | https://www.mdpi.com/2223-7747/9/8/973#supplementary |
| article pdf uploaded. | 31 July 2020 16:29 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/8/973/pdf-vor |
