| article html file updated | 15 August 2026 00:44 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1257 |
| article html file updated | 9 February 2020 14:27 CET | Update | N/A |
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| article html file updated | 19 April 2018 08:41 CEST | Original file | N/A |
| article pdf uploaded. | 19 April 2018 08:39 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1257/pdf |
| article xml uploaded. | 19 April 2018 08:39 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1257/xml |
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