| article html file updated | 7 February 2020 10:49 CET | Update | https://www.mdpi.com/1424-8220/16/7/969 |
| article html file updated | 5 May 2019 11:46 CEST | Update | - |
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| article html file updated | 27 June 2016 08:26 CEST | Original file | - |
| article xml uploaded. | 27 June 2016 08:24 CEST | Original file | https://www.mdpi.com/1424-8220/16/7/969/xml |
| article pdf uploaded. | 27 June 2016 08:24 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/7/969/pdf |
