| article html file updated | 14 August 2026 20:57 CEST | Update | https://www.mdpi.com/2077-1312/6/1/8 |
| article html file updated | 9 February 2020 02:39 CET | Update | N/A |
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| article xml uploaded. | 11 January 2018 09:52 CET | Original file | https://www.mdpi.com/2077-1312/6/1/8/xml |
| article pdf uploaded. | 11 January 2018 09:52 CET | Version of Record | https://www.mdpi.com/2077-1312/6/1/8/pdf |
