| article html file updated | 7 February 2020 12:49 CET | Update | https://www.mdpi.com/2220-9964/5/8/134 |
| article html file updated | 5 May 2019 08:01 CEST | Update | N/A |
| article html file updated | 27 March 2019 12:35 CET | Update | N/A |
| article html file updated | 30 August 2016 03:48 CEST | Update | N/A |
| article html file updated | 4 August 2016 14:31 CEST | Original file | N/A |
| article xml uploaded. | 4 August 2016 14:30 CEST | Original file | https://www.mdpi.com/2220-9964/5/8/134/xml |
| article pdf uploaded. | 4 August 2016 14:30 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/8/134/pdf |
