| article html file updated | 8 February 2020 06:35 CET | Update | https://www.mdpi.com/1099-4300/19/6/244 |
| article html file updated | 24 September 2019 23:41 CEST | Update | - |
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| article html file updated | 27 June 2017 10:25 CEST | Update | - |
| article html file updated | 24 May 2017 17:47 CEST | Original file | - |
| article xml uploaded. | 24 May 2017 17:46 CEST | Original file | https://www.mdpi.com/1099-4300/19/6/244/xml |
| article pdf uploaded. | 24 May 2017 17:46 CEST | Version of Record | https://www.mdpi.com/1099-4300/19/6/244/pdf |
