| article html file updated | 30 August 2025 01:19 CEST | Update | https://www.mdpi.com/2218-273X/7/4/72 |
| article html file updated | 16 July 2022 06:36 CEST | Update | N/A |
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| article xml uploaded. | 10 October 2017 12:32 CEST | Update | https://www.mdpi.com/2218-273X/7/4/72/xml |
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| article pdf uploaded. | 10 October 2017 12:32 CEST | Updated version of record | https://www.mdpi.com/2218-273X/7/4/72/pdf |
| article pdf uploaded. | 29 September 2017 15:06 CEST | Version of Record | https://www.mdpi.com/2218-273X/7/4/72/pdf-vor |
