| article html file updated | 6 February 2020 21:23 CET | Update | https://www.mdpi.com/1424-8247/8/3/474 |
| article html file updated | 6 May 2019 14:20 CEST | Update | - |
| article html file updated | 26 March 2019 07:59 CET | Update | - |
| article html file updated | 9 November 2017 12:17 CET | Update | - |
| article html file updated | 30 September 2015 08:31 CEST | Update | - |
| article xml file uploaded | 30 September 2015 08:31 CEST | Update | https://www.mdpi.com/1424-8247/8/3/474/xml |
| article html file updated | 25 September 2015 11:33 CEST | Update | - |
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| article html file updated | 21 August 2015 15:23 CEST | Original file | - |
| article pdf uploaded. | 5 August 2015 08:37 CEST | Updated version of record | https://www.mdpi.com/1424-8247/8/3/474/pdf |
| article pdf uploaded. | 4 August 2015 15:26 CEST | Version of Record | https://www.mdpi.com/1424-8247/8/3/474/pdf-vor |
