| article html file updated | 7 February 2020 10:55 CET | Update | https://www.mdpi.com/1424-8220/16/7/993 |
| article html file updated | 5 May 2019 11:34 CEST | Update | - |
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| article xml uploaded. | 30 June 2016 07:35 CEST | Update | https://www.mdpi.com/1424-8220/16/7/993/xml |
| article pdf uploaded. | 30 June 2016 07:35 CEST | Updated version of record | https://www.mdpi.com/1424-8220/16/7/993/pdf |
| article html file updated | 28 June 2016 13:47 CEST | Original file | - |
| article pdf uploaded. | 28 June 2016 13:45 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/7/993/pdf-vor |
