| article html file updated | 30 August 2025 14:43 CEST | Update | https://www.mdpi.com/2227-7382/7/2/20 |
| article html file updated | 21 August 2025 20:54 CEST | Update | - |
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| article supplementary file uploaded. | 13 June 2019 07:52 CEST | - | https://www.mdpi.com/2227-7382/7/2/20#supplementary |
| article pdf uploaded. | 13 June 2019 07:52 CEST | Updated version of record | https://www.mdpi.com/2227-7382/7/2/20/pdf |
| article xml uploaded. | 13 June 2019 07:52 CEST | Update | https://www.mdpi.com/2227-7382/7/2/20/xml |
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| article pdf uploaded. | 6 May 2019 14:42 CEST | Version of Record | https://www.mdpi.com/2227-7382/7/2/20/pdf-vor |
| article xml file uploaded | 6 May 2019 14:42 CEST | Original file | - |
