| article html file updated | 30 August 2025 08:21 CEST | Update | https://www.mdpi.com/2227-7102/8/4/191 |
| article html file updated | 17 July 2022 06:54 CEST | Update | N/A |
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| article xml uploaded. | 1 November 2018 12:12 CET | Update | https://www.mdpi.com/2227-7102/8/4/191/xml |
| article pdf uploaded. | 1 November 2018 12:12 CET | Updated version of record | https://www.mdpi.com/2227-7102/8/4/191/pdf |
| article html file updated | 31 October 2018 11:38 CET | Original file | N/A |
| article pdf uploaded. | 31 October 2018 11:37 CET | Version of Record | https://www.mdpi.com/2227-7102/8/4/191/pdf-vor |
| article xml uploaded. | 31 October 2018 11:37 CET | Update | N/A |
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