| article html file updated | 9 February 2020 00:19 CET | Update | https://www.mdpi.com/2071-1050/9/12/2347 |
| article html file updated | 29 September 2019 06:37 CEST | Update | - |
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| article html file updated | 16 December 2017 10:50 CET | Original file | - |
| article xml uploaded. | 16 December 2017 10:49 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2347/xml |
| article pdf uploaded. | 16 December 2017 10:49 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2347/pdf |
