| article html file updated | 7 February 2020 22:28 CET | Update | https://www.mdpi.com/2073-4441/9/2/76 |
| article html file updated | 23 September 2019 02:53 CEST | Update | - |
| article html file updated | 4 May 2019 13:07 CEST | Update | - |
| article html file updated | 1 March 2017 07:51 CET | Update | - |
| article html file updated | 23 February 2017 08:12 CET | Update | - |
| article xml uploaded. | 23 February 2017 08:11 CET | Update | https://www.mdpi.com/2073-4441/9/2/76/xml |
| article pdf uploaded. | 23 February 2017 08:11 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/2/76/pdf |
| article html file updated | 29 January 2017 08:38 CET | Original file | - |
| article xml uploaded. | 29 January 2017 08:37 CET | Update | - |
| article xml uploaded. | 29 January 2017 08:37 CET | Original file | - |
| article pdf uploaded. | 29 January 2017 08:37 CET | Version of Record | https://www.mdpi.com/2073-4441/9/2/76/pdf-vor |