| article html file updated | 7 February 2020 22:38 CET | Update | https://www.mdpi.com/2073-4352/7/2/38 |
| article html file updated | 23 September 2019 03:43 CEST | Update | - |
| article html file updated | 4 May 2019 12:46 CEST | Update | - |
| article html file updated | 2 March 2017 03:39 CET | Update | - |
| article html file updated | 8 February 2017 10:40 CET | Update | - |
| article xml uploaded. | 8 February 2017 09:53 CET | Update | https://www.mdpi.com/2073-4352/7/2/38/xml |
| article xml uploaded. | 8 February 2017 09:53 CET | Update | - |
| article html file updated | 7 February 2017 11:30 CET | Update | - |
| article xml uploaded. | 7 February 2017 11:28 CET | Update | - |
| article pdf uploaded. | 7 February 2017 11:28 CET | Updated version of record | https://www.mdpi.com/2073-4352/7/2/38/pdf |
| article html file updated | 6 February 2017 15:33 CET | Update | - |
| article xml uploaded. | 6 February 2017 15:32 CET | Update | - |
| article pdf uploaded. | 6 February 2017 15:32 CET | Updated version of record | https://www.mdpi.com/2073-4352/7/2/38/pdf-vor |
| article html file updated | 4 February 2017 08:45 CET | Original file | - |
| article xml uploaded. | 4 February 2017 08:43 CET | Original file | - |
| article pdf uploaded. | 4 February 2017 08:43 CET | Version of Record | https://www.mdpi.com/2073-4352/7/2/38/pdf-vor |
