| article html file updated | 8 February 2020 23:37 CET | Update | https://www.mdpi.com/2078-2489/8/4/161 |
| article html file updated | 2 May 2019 09:35 CEST | Update | - |
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| article xml uploaded. | 9 December 2017 10:12 CET | Original file | https://www.mdpi.com/2078-2489/8/4/161/xml |
| article pdf uploaded. | 9 December 2017 10:12 CET | Version of Record | https://www.mdpi.com/2078-2489/8/4/161/pdf |
