| article html file updated | 6 February 2020 00:58 CET | Update | https://www.mdpi.com/2072-6651/5/3/524 |
| article html file updated | 19 September 2019 18:48 CEST | Update | N/A |
| article html file updated | 8 May 2019 07:26 CEST | Update | N/A |
| article html file updated | 20 March 2019 19:43 CET | Update | N/A |
| article html file updated | 17 June 2015 07:26 CEST | Original file | N/A |
| article pdf uploaded. | 12 March 2013 15:35 CET | Version of Record | https://www.mdpi.com/2072-6651/5/3/524/pdf |
