| article html file updated | 31 August 2025 06:53 CEST | Update | https://www.mdpi.com/1422-0067/21/1/15 |
| article html file updated | 19 July 2022 21:23 CEST | Update | - |
| article html file updated | 14 February 2020 19:47 CET | Update | - |
| article html file updated | 16 January 2020 07:26 CET | Update | - |
| article html file updated | 24 December 2019 06:46 CET | Original file | - |
| article pdf uploaded. | 24 December 2019 06:45 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/1/15/pdf |
| article xml uploaded. | 24 December 2019 06:45 CET | Update | https://www.mdpi.com/1422-0067/21/1/15/xml |
| article xml file uploaded | 24 December 2019 06:45 CET | Update | - |
| article pdf uploaded. | 18 December 2019 14:23 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/15/pdf-vor |
| article xml file uploaded | 18 December 2019 14:23 CET | Original file | - |
