| article html file updated | 6 February 2020 01:41 CET | Update | https://www.mdpi.com/1422-0067/14/5/8684 |
| article html file updated | 8 May 2019 05:56 CEST | Update | N/A |
| article html file updated | 20 March 2019 21:27 CET | Update | N/A |
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| article html file updated | 25 July 2013 15:04 CEST | Update | N/A |
| article xml file uploaded | 25 July 2013 15:04 CEST | Update | https://www.mdpi.com/1422-0067/14/5/8684/xml |
| article html file updated | 10 June 2013 08:27 CEST | Original file | N/A |
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| article pdf uploaded. | 24 April 2013 11:07 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/5/8684/pdf |