| article html file updated | 8 February 2020 18:13 CET | Update | https://www.mdpi.com/1424-8247/10/4/80 |
| article html file updated | 27 September 2019 16:45 CEST | Update | - |
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| article xml uploaded. | 12 October 2017 09:41 CEST | Original file | https://www.mdpi.com/1424-8247/10/4/80/xml |
| article pdf uploaded. | 12 October 2017 09:41 CEST | Version of Record | https://www.mdpi.com/1424-8247/10/4/80/pdf |
