| article html file updated | 15 August 2026 00:34 CEST | Update | https://www.mdpi.com/1996-1073/11/4/939 |
| article html file updated | 9 February 2020 13:55 CET | Update | N/A |
| article html file updated | 2 October 2019 15:34 CEST | Update | N/A |
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| article html file updated | 1 May 2018 09:39 CEST | Update | N/A |
| article html file updated | 16 April 2018 07:41 CEST | Original file | N/A |
| article pdf uploaded. | 16 April 2018 07:40 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/939/pdf |
| article xml uploaded. | 16 April 2018 07:40 CEST | Update | https://www.mdpi.com/1996-1073/11/4/939/xml |
| article xml file uploaded | 16 April 2018 07:40 CEST | Original file | N/A |
