| article html file updated | 31 August 2025 03:47 CEST | Update | https://www.mdpi.com/1422-0067/20/21/5421 |
| article html file updated | 21 August 2025 23:08 CEST | Update | - |
| article html file updated | 20 July 2022 00:36 CEST | Update | - |
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| article html file updated | 15 November 2019 16:57 CET | Update | - |
| article pdf uploaded. | 1 November 2019 07:28 CET | Updated version of record | https://www.mdpi.com/1422-0067/20/21/5421/pdf |
| article html file updated | 31 October 2019 08:22 CET | Original file | - |
| article pdf uploaded. | 31 October 2019 07:22 CET | Version of Record | https://www.mdpi.com/1422-0067/20/21/5421/pdf-vor |
| article xml uploaded. | 31 October 2019 07:22 CET | Update | https://www.mdpi.com/1422-0067/20/21/5421/xml |
| article xml file uploaded | 31 October 2019 07:22 CET | Original file | - |
