| article html file updated | 12 August 2026 19:08 CEST | Update | https://www.mdpi.com/1996-1944/6/5/1704 |
| article html file updated | 6 February 2020 01:50 CET | Update | N/A |
| article html file updated | 8 May 2019 05:41 CEST | Update | N/A |
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| article html file updated | 6 March 2017 04:43 CET | Original file | N/A |
| article pdf uploaded. | 29 April 2013 13:08 CEST | Version of Record | https://www.mdpi.com/1996-1944/6/5/1704/pdf |
