| article html file updated | 7 February 2020 09:39 CET | Update | https://www.mdpi.com/2220-9964/5/6/82 |
| article html file updated | 5 May 2019 13:55 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:28 CET | Update | N/A |
| article html file updated | 29 June 2016 05:44 CEST | Update | N/A |
| article html file updated | 2 June 2016 14:42 CEST | Original file | N/A |
| article xml uploaded. | 2 June 2016 14:40 CEST | Original file | https://www.mdpi.com/2220-9964/5/6/82/xml |
| article pdf uploaded. | 2 June 2016 14:40 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/6/82/pdf |
