| article html file updated | 6 February 2020 06:53 CET | Update | https://www.mdpi.com/1424-8220/14/1/1898 |
| article html file updated | 9 January 2020 03:42 CET | Update | - |
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| article html file updated | 20 February 2014 09:47 CET | Original file | - |
| article xml file uploaded | 20 February 2014 09:47 CET | Original file | https://www.mdpi.com/1424-8220/14/1/1898/xml |
| article pdf uploaded. | 23 January 2014 09:03 CET | Version of Record | https://www.mdpi.com/1424-8220/14/1/1898/pdf |
