| article html file updated | 8 February 2020 06:59 CET | Update | https://www.mdpi.com/1099-4300/19/6/246 |
| article html file updated | 25 September 2019 01:46 CEST | Update | - |
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| article html file updated | 27 June 2017 10:26 CEST | Update | - |
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| article xml uploaded. | 30 May 2017 08:33 CEST | Original file | https://www.mdpi.com/1099-4300/19/6/246/xml |
| article pdf uploaded. | 30 May 2017 08:33 CEST | Version of Record | https://www.mdpi.com/1099-4300/19/6/246/pdf |
