| article html file updated | 29 August 2025 21:05 CEST | Update | https://www.mdpi.com/1996-1073/7/6/3618 |
| article html file updated | 15 July 2022 23:06 CEST | Update | N/A |
| article html file updated | 6 February 2020 09:41 CET | Update | N/A |
| article html file updated | 7 May 2019 13:42 CEST | Update | N/A |
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| article html file updated | 20 August 2015 08:56 CEST | Update | N/A |
| article html file updated | 11 July 2014 09:30 CEST | Original file | N/A |
| article xml file uploaded | 11 July 2014 09:30 CEST | Original file | https://www.mdpi.com/1996-1073/7/6/3618/xml |
| article pdf uploaded. | 4 June 2014 14:24 CEST | Updated version of record | https://www.mdpi.com/1996-1073/7/6/3618/pdf |
| article pdf uploaded. | 3 June 2014 09:28 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/6/3618/pdf-vor |
