| article html file updated | 8 February 2020 05:59 CET | Update | https://www.mdpi.com/2071-1050/9/5/839 |
| article html file updated | 24 September 2019 20:34 CEST | Update | - |
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| article html file updated | 16 May 2017 13:44 CEST | Original file | - |
| article xml uploaded. | 16 May 2017 13:43 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/839/xml |
| article pdf uploaded. | 16 May 2017 13:43 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/839/pdf |
