| article html file updated | 7 February 2020 12:41 CET | Update | https://www.mdpi.com/2075-4698/6/3/23 |
| article html file updated | 5 May 2019 08:18 CEST | Update | N/A |
| article html file updated | 27 March 2019 12:09 CET | Update | N/A |
| article html file updated | 29 September 2016 12:03 CEST | Update | N/A |
| article html file updated | 2 August 2016 09:14 CEST | Original file | N/A |
| article xml uploaded. | 2 August 2016 09:13 CEST | Original file | https://www.mdpi.com/2075-4698/6/3/23/xml |
| article pdf uploaded. | 2 August 2016 09:13 CEST | Version of Record | https://www.mdpi.com/2075-4698/6/3/23/pdf |
