| article html file updated | 9 February 2020 06:30 CET | Update | https://www.mdpi.com/2073-4344/8/2/78 |
| article html file updated | 30 September 2019 18:33 CEST | Update | - |
| article html file updated | 1 May 2019 18:43 CEST | Update | - |
| article html file updated | 17 April 2019 18:00 CEST | Update | - |
| article html file updated | 28 March 2019 23:02 CET | Update | - |
| article html file updated | 14 March 2018 08:46 CET | Update | - |
| article html file updated | 13 February 2018 08:24 CET | Original file | - |
| article xml uploaded. | 13 February 2018 08:23 CET | Update | https://www.mdpi.com/2073-4344/8/2/78/xml |
| article xml uploaded. | 13 February 2018 08:22 CET | Update | - |
| article xml uploaded. | 13 February 2018 08:22 CET | Original file | - |
| article pdf uploaded. | 13 February 2018 08:22 CET | Version of Record | https://www.mdpi.com/2073-4344/8/2/78/pdf |
