| article html file updated | 6 February 2020 01:02 CET | Update | https://www.mdpi.com/1422-0067/14/3/6090 |
| article html file updated | 8 May 2019 07:17 CEST | Update | - |
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| article html file updated | 9 April 2013 16:31 CEST | Original file | - |
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| article pdf uploaded. | 19 March 2013 16:49 CET | Updated version of record | https://www.mdpi.com/1422-0067/14/3/6090/pdf |
| article pdf uploaded. | 15 March 2013 10:53 CET | Version of Record | https://www.mdpi.com/1422-0067/14/3/6090/pdf-vor |
| article supplementary file uploaded. | 15 March 2013 10:53 CET | - | https://www.mdpi.com/1422-0067/14/3/6090#supplementary |