| article html file updated | 8 February 2020 01:35 CET | Update | https://www.mdpi.com/2220-9964/6/3/85 |
| article html file updated | 23 September 2019 20:27 CEST | Update | - |
| article html file updated | 4 May 2019 06:28 CEST | Update | - |
| article html file updated | 28 March 2017 11:12 CEST | Update | - |
| article html file updated | 20 March 2017 12:55 CET | Original file | - |
| article xml uploaded. | 20 March 2017 12:53 CET | Original file | https://www.mdpi.com/2220-9964/6/3/85/xml |
| article pdf uploaded. | 20 March 2017 12:53 CET | Updated version of record | https://www.mdpi.com/2220-9964/6/3/85/pdf |
| article pdf uploaded. | 16 March 2017 12:20 CET | Version of Record | https://www.mdpi.com/2220-9964/6/3/85/pdf-vor |
