| article html file updated | 14 August 2026 22:33 CEST | Update | https://www.mdpi.com/1424-8220/18/2/670 |
| article html file updated | 9 February 2020 07:29 CET | Update | N/A |
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| article pdf uploaded. | 26 February 2018 04:07 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/670/pdf |
| article html file updated | 25 February 2018 03:36 CET | Original file | N/A |
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| article pdf uploaded. | 25 February 2018 03:34 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/670/pdf-vor |
| article pdf uploaded. | 24 February 2018 09:54 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/670/pdf-vor |
