| article html file updated | 12 August 2026 21:04 CEST | Update | https://www.mdpi.com/1999-4893/6/4/782 |
| article html file updated | 6 February 2020 05:37 CET | Update | N/A |
| article html file updated | 20 September 2019 03:19 CEST | Update | N/A |
| article html file updated | 7 May 2019 21:58 CEST | Update | N/A |
| article html file updated | 21 March 2019 07:50 CET | Update | N/A |
| article html file updated | 21 July 2017 08:31 CEST | Update | N/A |
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| article html file updated | 21 July 2017 08:30 CEST | Original file | N/A |
| article xml uploaded. | 21 July 2017 08:29 CEST | Original file | https://www.mdpi.com/1999-4893/6/4/782/xml |
| article pdf uploaded. | 19 November 2013 16:17 CET | Updated version of record | https://www.mdpi.com/1999-4893/6/4/782/pdf |
| article pdf uploaded. | 18 November 2013 17:02 CET | Version of Record | https://www.mdpi.com/1999-4893/6/4/782/pdf-vor |
