| article html file updated | 7 February 2020 10:37 CET | Update | https://www.mdpi.com/2220-9964/5/7/102 |
| article html file updated | 5 May 2019 12:04 CEST | Update | - |
| article html file updated | 27 March 2019 08:18 CET | Update | - |
| article html file updated | 27 July 2016 11:45 CEST | Update | - |
| article html file updated | 23 June 2016 08:36 CEST | Original file | - |
| article xml uploaded. | 23 June 2016 08:34 CEST | Original file | https://www.mdpi.com/2220-9964/5/7/102/xml |
| article pdf uploaded. | 23 June 2016 08:34 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/7/102/pdf |
