| article html file updated | 31 August 2025 01:10 CEST | Update | https://www.mdpi.com/1996-1073/12/18/3474 |
| article html file updated | 20 July 2022 03:44 CEST | Update | - |
| article html file updated | 13 February 2020 16:16 CET | Update | - |
| article html file updated | 25 September 2019 10:19 CEST | Update | - |
| article html file updated | 15 September 2019 11:34 CEST | Update | - |
| article html file updated | 15 September 2019 11:32 CEST | Update | - |
| article html file updated | 15 September 2019 11:30 CEST | Update | - |
| article pdf uploaded. | 15 September 2019 11:29 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/18/3474/pdf |
| article xml uploaded. | 15 September 2019 11:29 CEST | Update | https://www.mdpi.com/1996-1073/12/18/3474/xml |
| article xml file uploaded | 15 September 2019 11:29 CEST | Update | - |
| article html file updated | 9 September 2019 11:32 CEST | Original file | - |
| article pdf uploaded. | 9 September 2019 11:31 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/18/3474/pdf-vor |
| article xml uploaded. | 9 September 2019 11:31 CEST | Update | - |
| article xml file uploaded | 9 September 2019 11:31 CEST | Original file | - |
