| article html file updated | 30 August 2025 00:18 CEST | Update | https://www.mdpi.com/2073-4344/7/2/42 |
| article html file updated | 16 July 2022 04:41 CEST | Update | N/A |
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| article xml uploaded. | 6 February 2017 08:00 CET | Original file | https://www.mdpi.com/2073-4344/7/2/42/xml |
| article pdf uploaded. | 6 February 2017 08:00 CET | Updated version of record | https://www.mdpi.com/2073-4344/7/2/42/pdf |
| article pdf uploaded. | 27 January 2017 16:03 CET | Version of Record | https://www.mdpi.com/2073-4344/7/2/42/pdf-vor |
