| article html file updated | 9 February 2020 07:32 CET | Update | https://www.mdpi.com/2078-2489/9/2/45 |
| article html file updated | 1 October 2019 00:32 CEST | Update | N/A |
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| article xml uploaded. | 24 February 2018 12:36 CET | Original file | https://www.mdpi.com/2078-2489/9/2/45/xml |
| article pdf uploaded. | 24 February 2018 12:36 CET | Version of Record | https://www.mdpi.com/2078-2489/9/2/45/pdf |