| article html file updated | 6 February 2020 02:37 CET | Update | https://www.mdpi.com/1422-0067/14/6/12458 |
| article html file updated | 8 May 2019 04:05 CEST | Update | N/A |
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| article pdf uploaded. | 13 June 2013 13:46 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/6/12458/pdf |