| article html file updated | 7 February 2020 20:33 CET | Update | https://www.mdpi.com/2075-4434/5/1/3 |
| article html file updated | 22 September 2019 16:36 CEST | Update | N/A |
| article html file updated | 4 May 2019 17:18 CEST | Update | N/A |
| article html file updated | 29 March 2017 05:53 CEST | Update | N/A |
| article html file updated | 30 December 2016 11:04 CET | Original file | N/A |
| article xml uploaded. | 30 December 2016 11:03 CET | Original file | https://www.mdpi.com/2075-4434/5/1/3/xml |
| article pdf uploaded. | 30 December 2016 11:03 CET | Version of Record | https://www.mdpi.com/2075-4434/5/1/3/pdf |
