| article html file updated | 7 February 2020 09:37 CET | Update | https://new.mdpi.com/1422-0067/17/6/853 |
| article html file updated | 5 May 2019 13:59 CEST | Update | - |
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| article html file updated | 29 June 2016 03:36 CEST | Update | - |
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| article xml uploaded. | 1 June 2016 13:38 CEST | Update | https://new.mdpi.com/1422-0067/17/6/853/xml |
| article pdf uploaded. | 1 June 2016 13:38 CEST | Version of Record | https://new.mdpi.com/1422-0067/17/6/853/pdf |
