| article html file updated | 7 February 2020 07:24 CET | Update | https://www.mdpi.com/2313-4321/1/1/147 |
| article html file updated | 5 May 2019 18:22 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:08 CET | Update | N/A |
| article html file updated | 16 April 2016 11:19 CEST | Original file | N/A |
| article xml uploaded. | 16 April 2016 11:18 CEST | Original file | https://www.mdpi.com/2313-4321/1/1/147/xml |
| article pdf uploaded. | 16 April 2016 11:18 CEST | Version of Record | https://www.mdpi.com/2313-4321/1/1/147/pdf |
