| article html file updated | 29 August 2025 22:27 CEST | Update | https://www.mdpi.com/2071-1050/7/12/15815 |
| article html file updated | 16 July 2022 01:24 CEST | Update | - |
| article html file updated | 7 February 2020 01:55 CET | Update | - |
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| article pdf uploaded. | 15 December 2015 10:26 CET | Updated version of record | https://www.mdpi.com/2071-1050/7/12/15815/pdf |
| article xml uploaded. | 15 December 2015 10:26 CET | Update | https://www.mdpi.com/2071-1050/7/12/15815/xml |
| article pdf uploaded. | 8 December 2015 08:42 CET | Version of Record | https://www.mdpi.com/2071-1050/7/12/15815/pdf-vor |
| article xml uploaded. | 8 December 2015 08:42 CET | Original file | - |
