| article html file updated | 6 February 2020 23:06 CET | Update | https://www.mdpi.com/2227-9075/2/3/580 |
| article html file updated | 6 May 2019 10:42 CEST | Update | N/A |
| article html file updated | 26 March 2019 11:20 CET | Update | N/A |
| article html file updated | 26 October 2015 08:42 CET | Original file | N/A |
| article xml file uploaded | 26 October 2015 08:42 CET | Original file | https://www.mdpi.com/2227-9075/2/3/580/xml |
| article pdf uploaded. | 24 September 2015 04:24 CEST | Updated version of record | https://www.mdpi.com/2227-9075/2/3/580/pdf |
| article pdf uploaded. | 24 September 2015 04:23 CEST | Updated version of record | https://www.mdpi.com/2227-9075/2/3/580/pdf-vor |
| article pdf uploaded. | 22 September 2015 16:23 CEST | Version of Record | https://www.mdpi.com/2227-9075/2/3/580/pdf-vor |
