| article html file updated | 29 August 2025 21:28 CEST | Update | https://www.mdpi.com/1996-1944/8/1/339 |
| article html file updated | 15 July 2022 23:47 CEST | Update | - |
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| article html file updated | 23 January 2015 08:24 CET | Original file | - |
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| article pdf uploaded. | 20 January 2015 08:04 CET | Updated version of record | https://www.mdpi.com/1996-1944/8/1/339/pdf |
| article pdf uploaded. | 19 January 2015 13:57 CET | Version of Record | https://www.mdpi.com/1996-1944/8/1/339/pdf-vor |
