| article html file updated | 7 February 2020 14:49 CET | Update | https://www.mdpi.com/1424-8220/16/9/1471 |
| article html file updated | 5 May 2019 04:24 CEST | Update | - |
| article html file updated | 27 September 2016 07:18 CEST | Update | - |
| article html file updated | 12 September 2016 12:58 CEST | Original file | - |
| article xml uploaded. | 12 September 2016 12:56 CEST | Update | https://www.mdpi.com/1424-8220/16/9/1471/xml |
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| article pdf uploaded. | 12 September 2016 12:56 CEST | Updated version of record | https://www.mdpi.com/1424-8220/16/9/1471/pdf |
| article pdf uploaded. | 11 September 2016 08:40 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/9/1471/pdf-vor |
