| article html file updated | 6 February 2020 00:09 CET | Update | https://www.mdpi.com/2072-6643/5/1/302 |
| article html file updated | 8 May 2019 09:27 CEST | Update | N/A |
| article html file updated | 20 March 2019 17:37 CET | Update | N/A |
| article html file updated | 17 June 2015 05:42 CEST | Update | N/A |
| article html file updated | 8 February 2013 09:37 CET | Update | N/A |
| article html file updated | 7 February 2013 17:56 CET | Update | N/A |
| article html file updated | 5 February 2013 11:31 CET | Original file | N/A |
| article xml file uploaded | 5 February 2013 11:31 CET | Original file | https://www.mdpi.com/2072-6643/5/1/302/xml |
| article pdf uploaded. | 22 January 2013 14:12 CET | Version of Record | https://www.mdpi.com/2072-6643/5/1/302/pdf |
