| article html file updated | 5 February 2020 15:20 CET | Update | https://www.mdpi.com/1424-8220/10/9/7947 |
| article html file updated | 8 January 2020 11:42 CET | Update | N/A |
| article html file updated | 19 September 2019 00:43 CEST | Update | N/A |
| article html file updated | 9 May 2019 04:40 CEST | Update | N/A |
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| article html file updated | 16 June 2015 11:31 CEST | Update | N/A |
| article html file updated | 28 April 2014 11:19 CEST | Update | N/A |
| article xml file uploaded | 28 April 2014 11:19 CEST | Original file | https://www.mdpi.com/1424-8220/10/9/7947/xml |
| article html file updated | 6 February 2013 18:26 CET | Update | N/A |
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| article html file updated | 28 January 2013 19:58 CET | Update | N/A |
| article html file updated | 25 January 2013 23:16 CET | Update | N/A |
| article html file updated | 22 January 2013 03:25 CET | Update | N/A |
| article html file updated | 18 January 2013 09:18 CET | Original file | N/A |
