| article html file updated | 6 February 2020 20:03 CET | Update | https://www.mdpi.com/2077-1444/6/3/781 |
| article html file updated | 20 September 2019 23:20 CEST | Update | - |
| article html file updated | 6 May 2019 17:01 CEST | Update | - |
| article html file updated | 26 March 2019 05:25 CET | Update | - |
| article html file updated | 13 October 2015 11:54 CEST | Update | - |
| article xml file uploaded | 13 October 2015 11:54 CEST | Original file | https://www.mdpi.com/2077-1444/6/3/781/xml |
| article html file updated | 21 August 2015 14:06 CEST | Original file | - |
| article pdf uploaded. | 26 June 2015 17:07 CEST | Updated version of record | https://www.mdpi.com/2077-1444/6/3/781/pdf |
| article pdf uploaded. | 25 June 2015 13:10 CEST | Version of Record | https://www.mdpi.com/2077-1444/6/3/781/pdf-vor |
