| article html file updated | 24 December 2025 15:47 CET | Update | https://www.mdpi.com/2223-7747/8/9/321 |
| article html file updated | 31 August 2025 00:49 CEST | Update | - |
| article html file updated | 21 August 2025 22:20 CEST | Update | - |
| article html file updated | 20 July 2022 04:09 CEST | Update | - |
| article html file updated | 13 February 2020 14:28 CET | Update | - |
| article html file updated | 27 September 2019 16:31 CEST | Update | - |
| article html file updated | 3 September 2019 03:51 CEST | Update | - |
| article pdf uploaded. | 3 September 2019 03:50 CEST | Updated version of record | https://www.mdpi.com/2223-7747/8/9/321/pdf |
| article xml uploaded. | 3 September 2019 03:50 CEST | Update | https://www.mdpi.com/2223-7747/8/9/321/xml |
| article xml file uploaded | 3 September 2019 03:50 CEST | Update | - |
| article html file updated | 2 September 2019 11:55 CEST | Original file | - |
| article supplementary file uploaded. | 2 September 2019 11:53 CEST | - | https://www.mdpi.com/2223-7747/8/9/321#supplementary |
| article pdf uploaded. | 2 September 2019 11:53 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/9/321/pdf-vor |
| article xml uploaded. | 2 September 2019 11:53 CEST | Update | - |
| article xml file uploaded | 2 September 2019 11:53 CEST | Original file | - |
