| article html file updated | 6 February 2020 07:52 CET | Update | https://www.mdpi.com/2072-4292/6/3/2239 |
| article html file updated | 7 May 2019 17:24 CEST | Update | N/A |
| article html file updated | 21 March 2019 13:46 CET | Update | N/A |
| article html file updated | 19 August 2015 23:31 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 | Update | https://www.mdpi.com/2072-4292/6/3/2239/xml |
| article html file updated | 22 April 2014 12:45 CEST | Original file | N/A |
| article xml file uploaded | 22 April 2014 12:45 CEST | Original file | N/A |
| article pdf uploaded. | 13 March 2014 17:19 CET | Updated version of record | https://www.mdpi.com/2072-4292/6/3/2239/pdf |
| article pdf uploaded. | 12 March 2014 11:06 CET | Updated version of record | N/A |
