| article html file updated | 29 August 2025 20:54 CEST | Update | https://www.mdpi.com/2072-4292/6/1/621 |
| article html file updated | 15 July 2022 22:48 CEST | Update | N/A |
| article html file updated | 6 February 2020 06:35 CET | Update | N/A |
| article html file updated | 7 May 2019 20:06 CEST | Update | N/A |
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| article html file updated | 14 August 2014 12:04 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/2072-4292/6/1/621/xml |
| article html file updated | 6 February 2014 08:47 CET | Original file | N/A |
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| article pdf uploaded. | 9 January 2014 13:33 CET | Updated version of record | https://www.mdpi.com/2072-4292/6/1/621/pdf |
| article pdf uploaded. | 9 January 2014 13:26 CET | Updated version of record | https://www.mdpi.com/2072-4292/6/1/621/pdf-vor |
| article pdf uploaded. | 6 January 2014 11:38 CET | Version of Record | https://www.mdpi.com/2072-4292/6/1/621/pdf-vor |
