| article html file updated | 9 February 2020 00:59 CET | Update | https://www.mdpi.com/2071-1050/10/1/12 |
| article html file updated | 29 September 2019 10:30 CEST | Update | - |
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| article html file updated | 23 December 2017 22:53 CET | Original file | - |
| article xml uploaded. | 23 December 2017 04:01 CET | Original file | https://www.mdpi.com/2071-1050/10/1/12/xml |
| article pdf uploaded. | 23 December 2017 04:01 CET | Version of Record | https://www.mdpi.com/2071-1050/10/1/12/pdf |
