| article html file updated | 6 February 2020 15:55 CET | Update | https://www.mdpi.com/1660-3397/13/2/936 |
| article html file updated | 7 May 2019 01:02 CEST | Update | - |
| article html file updated | 25 March 2019 21:44 CET | Update | - |
| article html file updated | 21 August 2015 07:37 CEST | Update | - |
| article html file updated | 28 February 2015 03:10 CET | Original file | - |
| article xml file uploaded | 28 February 2015 03:10 CET | Original file | https://www.mdpi.com/1660-3397/13/2/936/xml |
| article pdf uploaded. | 12 February 2015 13:49 CET | Version of Record | https://www.mdpi.com/1660-3397/13/2/936/pdf |
