| article html file updated | 9 February 2020 11:20 CET | Update | https://www.mdpi.com/2072-4292/10/4/521 |
| article html file updated | 1 October 2019 23:49 CEST | Update | - |
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| article xml uploaded. | 27 March 2018 08:10 CEST | Update | https://www.mdpi.com/2072-4292/10/4/521/xml |
| article pdf uploaded. | 27 March 2018 08:10 CEST | Updated version of record | https://www.mdpi.com/2072-4292/10/4/521/pdf |
| article html file updated | 26 March 2018 17:35 CEST | Original file | - |
| article pdf uploaded. | 26 March 2018 17:31 CEST | Version of Record | https://www.mdpi.com/2072-4292/10/4/521/pdf-vor |