| article html file updated | 6 February 2020 15:29 CET | Update | https://www.mdpi.com/1420-3049/20/2/1968 |
| article html file updated | 20 September 2019 17:22 CEST | Update | N/A |
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| article html file updated | 21 August 2015 06:34 CEST | Update | N/A |
| article html file updated | 10 March 2015 07:35 CET | Original file | N/A |
| article xml file uploaded | 10 March 2015 07:35 CET | Original file | https://www.mdpi.com/1420-3049/20/2/1968/xml |
| article supplementary file uploaded. | 27 January 2015 11:44 CET | - | https://www.mdpi.com/1420-3049/20/2/1968#supplementary |
| article pdf uploaded. | 27 January 2015 11:44 CET | Version of Record | https://www.mdpi.com/1420-3049/20/2/1968/pdf |