| article html file updated | 29 August 2025 22:22 CEST | Update | https://www.mdpi.com/1999-4907/6/11/4168 |
| article html file updated | 16 July 2022 01:16 CEST | Update | N/A |
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| article html file updated | 26 March 2019 14:49 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2015 03:39 CET | Updated version of record | https://www.mdpi.com/1999-4907/6/11/4168/pdf |
| article pdf uploaded. | 18 November 2015 09:27 CET | Version of Record | https://www.mdpi.com/1999-4907/6/11/4168/pdf-vor |
| article xml uploaded. | 18 November 2015 09:27 CET | Original file | https://www.mdpi.com/1999-4907/6/11/4168/xml |
