| article html file updated | 29 August 2025 21:11 CEST | Update | https://www.mdpi.com/2227-9717/2/3/658 |
| article html file updated | 15 July 2022 23:18 CEST | Update | N/A |
| article html file updated | 6 February 2020 11:25 CET | Update | N/A |
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| article html file updated | 20 August 2015 15:12 CEST | Original file | N/A |
| article pdf uploaded. | 13 August 2014 09:12 CEST | Version of Record | https://www.mdpi.com/2227-9717/2/3/658/pdf |
