| article html file updated | 6 February 2020 19:48 CET | Update | https://www.mdpi.com/2077-1444/6/2/712 |
| article html file updated | 20 September 2019 22:59 CEST | Update | - |
| article html file updated | 6 May 2019 17:32 CEST | Update | - |
| article html file updated | 26 March 2019 04:57 CET | Update | - |
| article pdf uploaded. | 23 November 2015 09:46 CET | Updated version of record | https://www.mdpi.com/2077-1444/6/2/712/pdf |
| Correction published | 20 November 2015 00:00 CET | Correction | http://www.mdpi.com/2077-1444/6/4/1345 |
| article html file updated | 21 August 2015 13:46 CEST | Original file | - |
| article pdf uploaded. | 17 June 2015 16:02 CEST | Version of Record | https://www.mdpi.com/2077-1444/6/2/712/pdf-vor |
