| article html file updated | 7 February 2020 09:25 CET | Update | https://www.mdpi.com/1424-8220/16/6/774 |
| article html file updated | 5 May 2019 14:25 CEST | Update | - |
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| article html file updated | 27 May 2016 13:54 CEST | Original file | - |
| article xml uploaded. | 27 May 2016 13:52 CEST | Original file | https://www.mdpi.com/1424-8220/16/6/774/xml |
| article pdf uploaded. | 27 May 2016 13:52 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/774/pdf |
