| article html file updated | 7 February 2020 05:45 CET | Update | https://www.mdpi.com/2220-9964/5/3/35 |
| article html file updated | 5 May 2019 21:45 CEST | Update | - |
| article html file updated | 26 March 2019 23:12 CET | Update | - |
| article html file updated | 28 March 2016 11:24 CEST | Original file | - |
| article pdf uploaded. | 11 March 2016 15:11 CET | Version of Record | https://www.mdpi.com/2220-9964/5/3/35/pdf |
| article xml uploaded. | 11 March 2016 15:11 CET | Original file | https://www.mdpi.com/2220-9964/5/3/35/xml |
