| article html file updated | 30 August 2025 01:07 CEST | Update | https://www.mdpi.com/1422-0067/18/9/1906 |
| article html file updated | 16 July 2022 06:11 CEST | Update | - |
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| article xml uploaded. | 8 September 2017 12:10 CEST | Update | https://www.mdpi.com/1422-0067/18/9/1906/xml |
| article pdf uploaded. | 8 September 2017 12:10 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/9/1906/pdf |
| article html file updated | 7 September 2017 11:02 CEST | Original file | - |
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| article pdf uploaded. | 7 September 2017 11:00 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/9/1906/pdf-vor |
| article pdf uploaded. | 5 September 2017 14:22 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1906/pdf-vor |
