| article html file updated | 6 February 2020 20:59 CET | Update | https://www.mdpi.com/2304-6732/2/3/838 |
| article html file updated | 6 May 2019 15:07 CEST | Update | - |
| article html file updated | 26 March 2019 07:14 CET | Update | - |
| article html file updated | 13 October 2015 10:59 CEST | Original file | - |
| article xml file uploaded | 13 October 2015 10:59 CEST | Original file | https://www.mdpi.com/2304-6732/2/3/838/xml |
| article supplementary file uploaded. | 27 July 2015 10:59 CEST | - | https://www.mdpi.com/2304-6732/2/3/838#supplementary |
| article pdf uploaded. | 27 July 2015 10:59 CEST | Updated version of record | https://www.mdpi.com/2304-6732/2/3/838/pdf |
| article pdf uploaded. | 23 July 2015 12:40 CEST | Version of Record | https://www.mdpi.com/2304-6732/2/3/838/pdf-vor |