| article html file updated | 6 February 2020 03:17 CET | Update | https://www.mdpi.com/2304-8158/2/3/310 |
| article html file updated | 8 May 2019 02:44 CEST | Update | - |
| article html file updated | 21 March 2019 01:32 CET | Update | - |
| article html file updated | 10 February 2017 03:41 CET | Update | - |
| article html file updated | 17 June 2015 11:27 CEST | Original file | - |
| article supplementary file uploaded. | 19 July 2013 09:58 CEST | - | https://www.mdpi.com/2304-8158/2/3/310#supplementary |
| article pdf uploaded. | 18 July 2013 12:12 CEST | Version of Record | https://www.mdpi.com/2304-8158/2/3/310/pdf |
