| article html file updated | 7 February 2020 07:32 CET | Update | https://www.mdpi.com/2411-5142/1/2/200 |
| article html file updated | 5 May 2019 18:06 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:25 CET | Update | N/A |
| article html file updated | 20 April 2016 10:36 CEST | Original file | N/A |
| article xml uploaded. | 20 April 2016 10:35 CEST | Original file | https://www.mdpi.com/2411-5142/1/2/200/xml |
| article pdf uploaded. | 20 April 2016 10:35 CEST | Version of Record | https://www.mdpi.com/2411-5142/1/2/200/pdf |
