| article html file updated | 9 February 2020 05:42 CET | Update | https://www.mdpi.com/2073-4441/10/2/157 |
| article html file updated | 30 September 2019 13:47 CEST | Update | - |
| article html file updated | 1 May 2019 20:33 CEST | Update | - |
| article html file updated | 17 April 2019 19:35 CEST | Update | - |
| article html file updated | 28 March 2019 21:18 CET | Update | - |
| article html file updated | 14 March 2018 14:24 CET | Update | - |
| article html file updated | 6 February 2018 14:15 CET | Original file | - |
| article xml uploaded. | 6 February 2018 14:13 CET | Update | https://www.mdpi.com/2073-4441/10/2/157/xml |
| article xml uploaded. | 6 February 2018 14:13 CET | Update | - |
| article xml uploaded. | 6 February 2018 14:13 CET | Original file | - |
| article pdf uploaded. | 6 February 2018 14:13 CET | Version of Record | https://www.mdpi.com/2073-4441/10/2/157/pdf |
