| article html file updated | 6 February 2020 07:17 CET | Update | https://www.mdpi.com/1422-0067/15/2/2712 |
| article html file updated | 20 September 2019 05:55 CEST | Update | - |
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| article html file updated | 21 March 2019 12:23 CET | Update | - |
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| article html file updated | 20 March 2014 10:03 CET | Original file | - |
| article xml file uploaded | 20 March 2014 10:03 CET | Original file | https://www.mdpi.com/1422-0067/15/2/2712/xml |
| article supplementary file uploaded. | 17 February 2014 11:07 CET | - | https://www.mdpi.com/1422-0067/15/2/2712#supplementary |
| article pdf uploaded. | 17 February 2014 11:07 CET | Version of Record | https://www.mdpi.com/1422-0067/15/2/2712/pdf |