| article html file updated | 24 December 2025 13:41 CET | Update | https://www.mdpi.com/1999-4893/6/3/407 |
| article html file updated | 28 September 2025 19:21 CEST | Update | N/A |
| article html file updated | 6 February 2020 03:19 CET | Update | N/A |
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| article html file updated | 26 July 2017 11:09 CEST | Original file | N/A |
| article xml uploaded. | 26 July 2017 11:08 CEST | Update | https://www.mdpi.com/1999-4893/6/3/407/xml |
| article pdf uploaded. | 19 July 2013 08:31 CEST | Version of Record | https://www.mdpi.com/1999-4893/6/3/407/pdf |
