| article html file updated | 31 August 2025 14:18 CEST | Update | https://www.mdpi.com/1422-0067/21/6/1949 |
| article html file updated | 20 July 2022 22:47 CEST | Update | - |
| article html file updated | 2 April 2020 01:50 CEST | Update | - |
| article html file updated | 15 March 2020 10:59 CET | Original file | - |
| article pdf uploaded. | 15 March 2020 10:57 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/6/1949/pdf |
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| article xml file uploaded | 15 March 2020 10:57 CET | Update | - |
| article pdf uploaded. | 12 March 2020 16:47 CET | Version of Record | https://www.mdpi.com/1422-0067/21/6/1949/pdf-vor |
| article xml file uploaded | 12 March 2020 16:47 CET | Original file | - |
