| article html file updated | 7 February 2020 11:44 CET | Update | https://www.mdpi.com/2220-9964/5/7/122 |
| article html file updated | 5 May 2019 10:05 CEST | Update | N/A |
| article html file updated | 27 March 2019 10:20 CET | Update | N/A |
| article html file updated | 27 July 2016 11:56 CEST | Update | N/A |
| article html file updated | 15 July 2016 08:39 CEST | Original file | N/A |
| article xml uploaded. | 15 July 2016 08:37 CEST | Original file | https://www.mdpi.com/2220-9964/5/7/122/xml |
| article pdf uploaded. | 15 July 2016 08:37 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/7/122/pdf |
