| article html file updated | 30 August 2025 07:48 CEST | Update | https://www.mdpi.com/2227-7382/6/4/42 |
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| article supplementary file uploaded. | 15 October 2018 10:50 CEST | - | https://www.mdpi.com/2227-7382/6/4/42#supplementary |
| article pdf uploaded. | 15 October 2018 10:50 CEST | Version of Record | https://www.mdpi.com/2227-7382/6/4/42/pdf |
| article xml uploaded. | 15 October 2018 10:50 CEST | Update | https://www.mdpi.com/2227-7382/6/4/42/xml |
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