| article html file updated | 9 February 2020 13:34 CET | Update | https://www.mdpi.com/2411-5134/3/2/24 |
| article html file updated | 1 May 2019 03:59 CEST | Update | - |
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| article xml uploaded. | 12 April 2018 15:59 CEST | Update | https://www.mdpi.com/2411-5134/3/2/24/xml |
| article pdf uploaded. | 12 April 2018 15:59 CEST | Version of Record | https://www.mdpi.com/2411-5134/3/2/24/pdf |
