| article html file updated | 14 August 2026 03:18 CEST | Update | https://www.mdpi.com/1999-4907/6/8/2678 |
| article html file updated | 6 February 2020 21:19 CET | Update | N/A |
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| article html file updated | 1 September 2015 08:42 CEST | Update | N/A |
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| article html file updated | 28 August 2015 06:26 CEST | Update | N/A |
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| article html file updated | 21 August 2015 15:22 CEST | Original file | N/A |
| article pdf uploaded. | 10 August 2015 08:31 CEST | Updated version of record | https://www.mdpi.com/1999-4907/6/8/2678/pdf |
| article pdf uploaded. | 31 July 2015 15:02 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/8/2678/pdf-vor |
