| article html file updated | 5 February 2020 16:13 CET | Update | https://www.mdpi.com/1660-3397/8/12/2988 |
| article html file updated | 9 May 2019 02:57 CEST | Update | N/A |
| article html file updated | 20 March 2019 04:47 CET | Update | N/A |
| article html file updated | 16 June 2015 13:11 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/1660-3397/8/12/2988/xml |
| article html file updated | 6 February 2013 19:16 CET | Update | N/A |
| article html file updated | 5 February 2013 23:10 CET | Update | N/A |
| article html file updated | 28 January 2013 20:42 CET | Update | N/A |
| article html file updated | 26 January 2013 00:17 CET | Update | N/A |
| article html file updated | 22 January 2013 07:22 CET | Original file | N/A |
