| article html file updated | 9 February 2020 13:49 CET | Update | https://www.mdpi.com/2073-4360/10/4/441 |
| article html file updated | 2 October 2019 14:54 CEST | Update | - |
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| article xml uploaded. | 14 April 2018 10:06 CEST | Update | https://www.mdpi.com/2073-4360/10/4/441/xml |
| article pdf uploaded. | 14 April 2018 10:06 CEST | Version of Record | https://www.mdpi.com/2073-4360/10/4/441/pdf |