| article html file updated | 31 August 2025 11:28 CEST | Update | https://www.mdpi.com/2227-9717/8/2/217 |
| article html file updated | 20 July 2022 19:59 CEST | Update | - |
| article html file updated | 6 March 2020 21:31 CET | Update | - |
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| article pdf uploaded. | 1 March 2020 05:44 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/217/pdf |
| article xml uploaded. | 1 March 2020 05:44 CET | Update | https://www.mdpi.com/2227-9717/8/2/217/xml |
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| article pdf uploaded. | 12 February 2020 13:44 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/217/pdf-vor |
| article xml file uploaded | 12 February 2020 13:44 CET | Original file | - |
