| article html file updated | 31 August 2025 14:36 CEST | Update | https://www.mdpi.com/1422-0067/21/6/2031 |
| article html file updated | 20 July 2022 23:06 CEST | Update | - |
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| article html file updated | 18 March 2020 12:50 CET | Update | - |
| article pdf uploaded. | 18 March 2020 12:49 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/6/2031/pdf |
| article xml uploaded. | 18 March 2020 12:49 CET | Update | https://www.mdpi.com/1422-0067/21/6/2031/xml |
| article xml file uploaded | 18 March 2020 12:49 CET | Update | - |
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| article pdf uploaded. | 18 March 2020 08:21 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/6/2031/pdf-vor |
| article xml file uploaded | 18 March 2020 08:21 CET | Update | - |
| article pdf uploaded. | 16 March 2020 16:17 CET | Version of Record | https://www.mdpi.com/1422-0067/21/6/2031/pdf-vor |
| article xml file uploaded | 16 March 2020 16:17 CET | Original file | - |
