| article html file updated | 29 August 2025 21:02 CEST | Update | https://www.mdpi.com/2220-9964/3/2/584 |
| article html file updated | 15 July 2022 23:00 CEST | Update | N/A |
| article html file updated | 6 February 2020 08:47 CET | Update | N/A |
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| article xml file uploaded | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/2220-9964/3/2/584/xml |
| article html file updated | 24 June 2014 12:12 CEST | Original file | N/A |
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| article pdf uploaded. | 23 April 2014 08:48 CEST | Updated version of record | https://www.mdpi.com/2220-9964/3/2/584/pdf |
| article pdf uploaded. | 22 April 2014 15:00 CEST | Version of Record | https://www.mdpi.com/2220-9964/3/2/584/pdf-vor |
