| article html file updated | 7 February 2020 05:06 CET | Update | https://www.mdpi.com/2073-4360/8/3/62 |
| article html file updated | 21 September 2019 12:05 CEST | Update | - |
| article html file updated | 5 May 2019 23:07 CEST | Update | - |
| article html file updated | 26 March 2019 21:52 CET | Update | - |
| article html file updated | 15 March 2019 11:46 CET | Update | - |
| article html file updated | 30 March 2016 07:55 CEST | Original file | - |
| article pdf uploaded. | 26 February 2016 13:29 CET | Version of Record | https://www.mdpi.com/2073-4360/8/3/62/pdf |
| article xml uploaded. | 26 February 2016 13:29 CET | Original file | https://www.mdpi.com/2073-4360/8/3/62/xml |
