| article html file updated | 30 August 2025 07:32 CEST | Update | https://www.mdpi.com/2227-7382/6/4/39 |
| article html file updated | 17 July 2022 04:15 CEST | Update | - |
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| article html file updated | 13 October 2018 16:16 CEST | Original file | - |
| article pdf uploaded. | 13 October 2018 16:16 CEST | Updated version of record | https://www.mdpi.com/2227-7382/6/4/39/pdf |
| article xml uploaded. | 13 October 2018 16:16 CEST | Update | https://www.mdpi.com/2227-7382/6/4/39/xml |
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| article supplementary file uploaded. | 6 October 2018 10:31 CEST | - | https://www.mdpi.com/2227-7382/6/4/39#supplementary |
| article pdf uploaded. | 6 October 2018 10:31 CEST | Version of Record | https://www.mdpi.com/2227-7382/6/4/39/pdf-vor |
| article xml file uploaded | 6 October 2018 10:31 CEST | Original file | - |
