| article html file updated | 7 February 2020 14:18 CET | Update | https://www.mdpi.com/2411-5142/1/3/322 |
| article html file updated | 5 May 2019 05:21 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:44 CET | Update | N/A |
| article html file updated | 1 September 2016 12:30 CEST | Original file | N/A |
| article xml uploaded. | 1 September 2016 12:29 CEST | Original file | https://www.mdpi.com/2411-5142/1/3/322/xml |
| article pdf uploaded. | 1 September 2016 12:29 CEST | Version of Record | https://www.mdpi.com/2411-5142/1/3/322/pdf |
