| article html file updated | 14 August 2026 20:26 CEST | Update | https://www.mdpi.com/1422-0067/19/1/45 |
| article html file updated | 9 February 2020 01:02 CET | Update | N/A |
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| article pdf uploaded. | 24 December 2017 14:12 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/1/45/pdf |
| article pdf uploaded. | 23 December 2017 11:43 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/45/pdf-vor |
