| article html file updated | 7 February 2020 04:29 CET | Update | https://www.mdpi.com/1996-1073/9/2/100 |
| article html file updated | 6 May 2019 00:32 CEST | Update | N/A |
| article html file updated | 26 March 2019 20:33 CET | Original file | N/A |
| article pdf uploaded. | 19 February 2016 10:48 CET | Updated version of record | https://www.mdpi.com/1996-1073/9/2/100/pdf |
| article pdf uploaded. | 16 February 2016 03:32 CET | Updated version of record | https://www.mdpi.com/1996-1073/9/2/100/pdf-vor |
| article xml uploaded. | 16 February 2016 03:32 CET | Original file | https://www.mdpi.com/1996-1073/9/2/100/xml |
| article pdf uploaded. | 8 February 2016 11:45 CET | Version of Record | https://www.mdpi.com/1996-1073/9/2/100/pdf-vor |