| article html file updated | 7 February 2020 22:34 CET | Update | https://www.mdpi.com/2073-4425/8/2/59 |
| article html file updated | 23 September 2019 03:22 CEST | Update | - |
| article html file updated | 4 May 2019 12:54 CEST | Update | - |
| article html file updated | 2 March 2017 10:42 CET | Update | - |
| article html file updated | 14 February 2017 12:27 CET | Original file | - |
| article xml uploaded. | 14 February 2017 12:26 CET | Original file | https://www.mdpi.com/2073-4425/8/2/59/xml |
| article pdf uploaded. | 14 February 2017 12:26 CET | Updated version of record | https://www.mdpi.com/2073-4425/8/2/59/pdf |
| article pdf uploaded. | 9 February 2017 14:37 CET | Updated version of record | https://www.mdpi.com/2073-4425/8/2/59/pdf-vor |
| article pdf uploaded. | 8 February 2017 14:25 CET | Updated version of record | https://www.mdpi.com/2073-4425/8/2/59/pdf-vor |
| article pdf uploaded. | 2 February 2017 11:22 CET | Version of Record | https://www.mdpi.com/2073-4425/8/2/59/pdf-vor |