| article html file updated | 7 February 2020 08:31 CET | Update | https://www.mdpi.com/2313-0105/2/2/14 |
| article html file updated | 5 May 2019 16:10 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:21 CET | Update | N/A |
| article html file updated | 11 May 2016 16:14 CEST | Original file | N/A |
| article xml uploaded. | 11 May 2016 16:12 CEST | Original file | https://www.mdpi.com/2313-0105/2/2/14/xml |
| article pdf uploaded. | 11 May 2016 16:12 CEST | Version of Record | https://www.mdpi.com/2313-0105/2/2/14/pdf |
