| article html file updated | 8 February 2020 00:26 CET | Update | https://www.mdpi.com/2073-4441/9/3/174 |
| article html file updated | 23 September 2019 13:51 CEST | Update | - |
| article html file updated | 4 May 2019 09:03 CEST | Update | - |
| article html file updated | 28 March 2017 03:37 CEST | Update | - |
| article html file updated | 6 March 2017 11:11 CET | Update | - |
| article xml uploaded. | 6 March 2017 11:10 CET | Update | https://www.mdpi.com/2073-4441/9/3/174/xml |
| article pdf uploaded. | 6 March 2017 11:10 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/3/174/pdf |
| article html file updated | 28 February 2017 11:12 CET | Original file | - |
| article xml uploaded. | 28 February 2017 11:10 CET | Original file | - |
| article pdf uploaded. | 28 February 2017 11:10 CET | Version of Record | https://www.mdpi.com/2073-4441/9/3/174/pdf-vor |
