| article html file updated | 29 August 2025 22:45 CEST | Update | https://www.mdpi.com/2073-4441/8/3/73 |
| article html file updated | 16 July 2022 01:50 CEST | Update | N/A |
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| article html file updated | 29 March 2016 11:41 CEST | Original file | N/A |
| article pdf uploaded. | 25 February 2016 15:00 CET | Version of Record | https://www.mdpi.com/2073-4441/8/3/73/pdf |
