| article html file updated | 7 February 2020 09:17 CET | Update | https://www.mdpi.com/1099-4300/18/6/206 |
| article html file updated | 21 September 2019 17:52 CEST | Update | - |
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| article html file updated | 28 June 2016 12:09 CEST | Update | - |
| article html file updated | 25 May 2016 13:35 CEST | Original file | - |
| article xml uploaded. | 25 May 2016 13:33 CEST | Original file | https://www.mdpi.com/1099-4300/18/6/206/xml |
| article pdf uploaded. | 25 May 2016 13:33 CEST | Version of Record | https://www.mdpi.com/1099-4300/18/6/206/pdf |
