| article html file updated | 5 February 2020 19:28 CET | Update | https://www.mdpi.com/2072-4292/4/2/509 |
| article html file updated | 8 May 2019 20:15 CEST | Update | N/A |
| article html file updated | 25 March 2019 09:26 CET | Update | N/A |
| article html file updated | 16 June 2015 21:50 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:04 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/2072-4292/4/2/509/xml |
| article html file updated | 7 February 2013 10:35 CET | Update | N/A |
| article html file updated | 7 February 2013 00:47 CET | Update | N/A |
| article html file updated | 6 February 2013 06:08 CET | Update | N/A |
| article html file updated | 29 January 2013 01:48 CET | Update | N/A |
| article html file updated | 26 January 2013 08:16 CET | Update | N/A |
| article html file updated | 23 January 2013 10:23 CET | Original file | N/A |
