| article html file updated | 7 February 2020 06:49 CET | Update | https://www.mdpi.com/2073-4360/8/4/122 |
| article html file updated | 21 September 2019 14:29 CEST | Update | - |
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| article xml uploaded. | 5 April 2016 10:33 CEST | Original file | https://www.mdpi.com/2073-4360/8/4/122/xml |
| article pdf uploaded. | 5 April 2016 10:33 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/4/122/pdf |