| article html file updated | 9 February 2020 00:41 CET | Update | https://www.mdpi.com/2071-1050/9/12/2377 |
| article html file updated | 29 September 2019 08:46 CEST | Update | N/A |
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| article html file updated | 20 December 2017 14:18 CET | Original file | N/A |
| article xml uploaded. | 20 December 2017 14:16 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2377/xml |
| article pdf uploaded. | 20 December 2017 14:16 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2377/pdf |