| article html file updated | 6 February 2020 15:53 CET | Update | https://www.mdpi.com/1420-3049/20/2/2903 |
| article html file updated | 20 September 2019 17:51 CEST | Update | - |
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| article html file updated | 21 August 2015 07:27 CEST | Update | - |
| article html file updated | 10 March 2015 07:36 CET | Original file | - |
| article xml file uploaded | 10 March 2015 07:36 CET | Original file | https://www.mdpi.com/1420-3049/20/2/2903/xml |
| article pdf uploaded. | 11 February 2015 12:50 CET | Version of Record | https://www.mdpi.com/1420-3049/20/2/2903/pdf |
