| article html file updated | 7 February 2020 10:35 CET | Update | https://www.mdpi.com/1424-8220/16/6/934 |
| article html file updated | 5 May 2019 12:09 CEST | Update | - |
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| article html file updated | 29 June 2016 11:11 CEST | Update | - |
| article html file updated | 22 June 2016 14:36 CEST | Original file | - |
| article xml uploaded. | 22 June 2016 14:35 CEST | Update | https://www.mdpi.com/1424-8220/16/6/934/xml |
| article pdf uploaded. | 22 June 2016 14:35 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/934/pdf |
