| article html file updated | 8 February 2020 15:06 CET | Update | https://new.mdpi.com/1424-8220/17/9/2009 |
| article html file updated | 26 September 2019 21:35 CEST | Update | - |
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| article xml uploaded. | 5 September 2017 04:42 CEST | Update | https://new.mdpi.com/1424-8220/17/9/2009/xml |
| article pdf uploaded. | 5 September 2017 04:42 CEST | Updated version of record | https://new.mdpi.com/1424-8220/17/9/2009/pdf |
| article html file updated | 4 September 2017 03:14 CEST | Original file | - |
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| article pdf uploaded. | 4 September 2017 03:13 CEST | Updated version of record | https://new.mdpi.com/1424-8220/17/9/2009/pdf-vor |
| article pdf uploaded. | 1 September 2017 16:10 CEST | Version of Record | https://new.mdpi.com/1424-8220/17/9/2009/pdf-vor |
