| article html file updated | 13 August 2026 21:09 CEST | Update | https://www.mdpi.com/2072-6643/7/5/3891 |
| article html file updated | 6 February 2020 18:55 CET | Update | N/A |
| article html file updated | 6 May 2019 19:26 CEST | Update | N/A |
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| article html file updated | 28 May 2015 12:40 CEST | Original file | N/A |
| article xml file uploaded | 28 May 2015 12:40 CEST | Original file | https://www.mdpi.com/2072-6643/7/5/3891/xml |
| article pdf uploaded. | 25 May 2015 08:15 CEST | Updated version of record | https://www.mdpi.com/2072-6643/7/5/3891/pdf |
| article pdf uploaded. | 22 May 2015 13:14 CEST | Version of Record | https://www.mdpi.com/2072-6643/7/5/3891/pdf-vor |
