| article html file updated | 7 February 2020 09:20 CET | Update | https://www.mdpi.com/1424-8220/16/6/764 |
| article html file updated | 5 May 2019 14:34 CEST | Update | - |
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| article html file updated | 29 June 2016 10:16 CEST | Update | - |
| article html file updated | 26 May 2016 13:27 CEST | Original file | - |
| article xml uploaded. | 26 May 2016 12:03 CEST | Update | https://www.mdpi.com/1424-8220/16/6/764/xml |
| article pdf uploaded. | 26 May 2016 12:03 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/764/pdf |
