| article html file updated | 14 August 2026 19:45 CEST | Update | https://www.mdpi.com/1996-1073/10/12/2019 |
| article html file updated | 8 February 2020 22:57 CET | Update | N/A |
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| article xml uploaded. | 5 December 2017 05:37 CET | Update | https://www.mdpi.com/1996-1073/10/12/2019/xml |
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| article pdf uploaded. | 5 December 2017 05:37 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/12/2019/pdf |
| article pdf uploaded. | 2 December 2017 13:51 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2019/pdf-vor |
