| article html file updated | 14 August 2026 14:57 CEST | Update | https://www.mdpi.com/1422-0067/18/6/1211 |
| article html file updated | 8 February 2020 07:34 CET | Update | N/A |
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| article pdf uploaded. | 8 June 2017 04:39 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/6/1211/pdf |
| article html file updated | 7 June 2017 11:25 CEST | Original file | N/A |
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| article pdf uploaded. | 6 June 2017 13:53 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1211/pdf-vor |
