| article html file updated | 14 August 2026 19:32 CEST | Update | https://www.mdpi.com/2071-1050/9/12/2189 |
| article html file updated | 8 February 2020 22:19 CET | Update | N/A |
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| article xml uploaded. | 27 November 2017 15:01 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2189/xml |
| article pdf uploaded. | 27 November 2017 15:01 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/12/2189/pdf |
| article pdf uploaded. | 27 November 2017 09:44 CET | Version of Record | N/A |
