| article html file updated | 31 August 2025 13:07 CEST | Update | https://www.mdpi.com/2227-7390/8/3/311 |
| article html file updated | 20 July 2022 21:36 CEST | Update | - |
| article html file updated | 2 April 2020 10:54 CEST | Update | - |
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| article pdf uploaded. | 19 March 2020 03:15 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/3/311/pdf |
| article xml uploaded. | 19 March 2020 03:15 CET | Update | https://www.mdpi.com/2227-7390/8/3/311/xml |
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| article pdf uploaded. | 1 March 2020 07:20 CET | Version of Record | https://www.mdpi.com/2227-7390/8/3/311/pdf-vor |
| article xml file uploaded | 1 March 2020 07:20 CET | Original file | - |
