| article html file updated | 5 February 2020 15:01 CET | Update | https://www.mdpi.com/1424-8247/3/7/2225 |
| article html file updated | 19 September 2019 00:06 CEST | Update | N/A |
| article html file updated | 9 May 2019 05:20 CEST | Update | N/A |
| article html file updated | 20 March 2019 01:47 CET | Update | N/A |
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| article html file updated | 5 June 2014 09:19 CEST | Original file | N/A |
| article xml file uploaded | 5 June 2014 09:18 CEST | Original file | https://www.mdpi.com/1424-8247/3/7/2225/xml |
