| article html file updated | 7 February 2020 06:13 CET | Update | https://www.mdpi.com/2079-4991/6/3/54 |
| article html file updated | 5 May 2019 20:47 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:01 CET | Update | N/A |
| article html file updated | 24 February 2017 10:19 CET | Update | N/A |
| article html file updated | 28 March 2016 11:28 CEST | Original file | N/A |
| article xml uploaded. | 22 March 2016 09:55 CET | Original file | https://www.mdpi.com/2079-4991/6/3/54/xml |
| article pdf uploaded. | 22 March 2016 09:55 CET | Version of Record | https://www.mdpi.com/2079-4991/6/3/54/pdf |
