| article html file updated | 6 February 2020 07:13 CET | Update | https://www.mdpi.com/1660-3397/12/2/899 |
| article html file updated | 7 May 2019 18:44 CEST | Update | - |
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| article html file updated | 18 March 2014 09:47 CET | Original file | - |
| article xml file uploaded | 18 March 2014 09:47 CET | Original file | https://www.mdpi.com/1660-3397/12/2/899/xml |
| article supplementary file uploaded. | 13 February 2014 09:00 CET | - | https://www.mdpi.com/1660-3397/12/2/899#supplementary |
| article pdf uploaded. | 13 February 2014 09:00 CET | Version of Record | https://www.mdpi.com/1660-3397/12/2/899/pdf |