| article html file updated | 29 August 2025 22:07 CEST | Update | https://www.mdpi.com/2218-1989/5/3/502 |
| article html file updated | 20 August 2025 22:01 CEST | Update | - |
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| article html file updated | 30 September 2015 08:31 CEST | Update | - |
| article xml file uploaded | 30 September 2015 08:31 CEST | Update | https://www.mdpi.com/2218-1989/5/3/502/xml |
| article html file updated | 25 September 2015 11:33 CEST | Original file | - |
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| article pdf uploaded. | 17 September 2015 03:46 CEST | Updated version of record | https://www.mdpi.com/2218-1989/5/3/502/pdf |
| article pdf uploaded. | 15 September 2015 16:13 CEST | Version of Record | https://www.mdpi.com/2218-1989/5/3/502/pdf-vor |
