| article html file updated | 8 February 2020 02:09 CET | Update | https://www.mdpi.com/2220-9964/6/4/95 |
| article html file updated | 23 September 2019 23:47 CEST | Update | - |
| article html file updated | 4 May 2019 05:14 CEST | Update | - |
| article html file updated | 28 April 2017 08:11 CEST | Update | - |
| article html file updated | 27 March 2017 05:30 CEST | Update | - |
| article html file updated | 24 March 2017 22:31 CET | Update | - |
| article html file updated | 24 March 2017 09:54 CET | Original file | - |
| article xml uploaded. | 24 March 2017 09:52 CET | Update | https://www.mdpi.com/2220-9964/6/4/95/xml |
| article pdf uploaded. | 24 March 2017 09:52 CET | Version of Record | https://www.mdpi.com/2220-9964/6/4/95/pdf |
