| article html file updated | 9 February 2020 12:51 CET | Update | https://www.mdpi.com/1660-4601/15/4/694 |
| article html file updated | 2 October 2019 08:52 CEST | Update | - |
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| article html file updated | 1 May 2018 05:00 CEST | Update | - |
| article html file updated | 7 April 2018 09:27 CEST | Original file | - |
| article xml uploaded. | 7 April 2018 09:26 CEST | Original file | https://www.mdpi.com/1660-4601/15/4/694/xml |
| article pdf uploaded. | 7 April 2018 09:26 CEST | Version of Record | https://www.mdpi.com/1660-4601/15/4/694/pdf |