| article html file updated | 7 February 2020 21:17 CET | Update | https://www.mdpi.com/2218-2004/5/1/3 |
| article html file updated | 22 September 2019 20:24 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:43 CEST | Update | N/A |
| article html file updated | 27 March 2017 09:40 CEST | Update | N/A |
| article html file updated | 12 January 2017 06:15 CET | Original file | N/A |
| article xml uploaded. | 12 January 2017 06:14 CET | Original file | https://www.mdpi.com/2218-2004/5/1/3/xml |
| article pdf uploaded. | 12 January 2017 06:14 CET | Version of Record | https://www.mdpi.com/2218-2004/5/1/3/pdf |
