| article html file updated | 7 February 2020 15:13 CET | Update | https://www.mdpi.com/2075-4434/4/3/32 |
| article html file updated | 5 May 2019 03:41 CEST | Update | - |
| article html file updated | 29 September 2016 09:57 CEST | Update | - |
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| article html file updated | 20 September 2016 11:48 CEST | Original file | - |
| article xml uploaded. | 20 September 2016 11:47 CEST | Original file | https://www.mdpi.com/2075-4434/4/3/32/xml |
| article pdf uploaded. | 20 September 2016 11:47 CEST | Version of Record | https://www.mdpi.com/2075-4434/4/3/32/pdf-vor |
