| article html file updated | 15 August 2026 00:26 CEST | Update | https://www.mdpi.com/1999-4893/11/4/45 |
| article html file updated | 9 February 2020 13:26 CET | Update | N/A |
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| article pdf uploaded. | 16 April 2018 04:11 CEST | Updated version of record | https://www.mdpi.com/1999-4893/11/4/45/pdf |
| article pdf uploaded. | 11 April 2018 17:48 CEST | Version of Record | https://www.mdpi.com/1999-4893/11/4/45/pdf-vor |
