| article html file updated | 7 February 2020 20:20 CET | Update | https://www.mdpi.com/2304-6767/5/1/3 |
| article html file updated | 22 September 2019 15:24 CEST | Update | - |
| article html file updated | 4 May 2019 17:44 CEST | Update | - |
| article html file updated | 26 December 2016 11:48 CET | Original file | - |
| article xml uploaded. | 26 December 2016 11:46 CET | Update | https://www.mdpi.com/2304-6767/5/1/3/xml |
| article xml uploaded. | 26 December 2016 11:46 CET | Original file | - |
| article pdf uploaded. | 26 December 2016 11:46 CET | Version of Record | https://www.mdpi.com/2304-6767/5/1/3/pdf |
