| article html file updated | 8 February 2020 00:09 CET | Update | https://www.mdpi.com/2077-0383/6/3/25 |
| article html file updated | 23 September 2019 12:19 CEST | Update | N/A |
| article html file updated | 4 May 2019 09:39 CEST | Update | N/A |
| article html file updated | 29 March 2017 05:44 CEST | Update | N/A |
| article html file updated | 24 February 2017 09:57 CET | Original file | N/A |
| article xml uploaded. | 24 February 2017 09:55 CET | Original file | https://www.mdpi.com/2077-0383/6/3/25/xml |
| article pdf uploaded. | 24 February 2017 09:55 CET | Version of Record | https://www.mdpi.com/2077-0383/6/3/25/pdf |
