| article html file updated | 7 February 2020 10:44 CET | Update | https://www.mdpi.com/2227-7072/4/3/13 |
| article html file updated | 5 May 2019 11:54 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:29 CET | Update | N/A |
| article html file updated | 28 September 2016 10:52 CEST | Update | N/A |
| article html file updated | 24 June 2016 11:20 CEST | Original file | N/A |
| article xml uploaded. | 24 June 2016 11:19 CEST | Original file | https://www.mdpi.com/2227-7072/4/3/13/xml |
| article pdf uploaded. | 24 June 2016 11:19 CEST | Version of Record | https://www.mdpi.com/2227-7072/4/3/13/pdf |
