| article html file updated | 9 February 2020 07:22 CET | Update | https://www.mdpi.com/2073-4352/8/2/104 |
| article html file updated | 30 September 2019 23:32 CEST | Update | - |
| article html file updated | 1 May 2019 16:54 CEST | Update | - |
| article html file updated | 17 April 2019 16:18 CEST | Update | - |
| article html file updated | 29 March 2019 00:51 CET | Update | - |
| article html file updated | 14 March 2018 08:58 CET | Update | - |
| article html file updated | 23 February 2018 10:00 CET | Original file | - |
| article xml uploaded. | 23 February 2018 09:59 CET | Original file | https://www.mdpi.com/2073-4352/8/2/104/xml |
| article pdf uploaded. | 23 February 2018 09:59 CET | Version of Record | https://www.mdpi.com/2073-4352/8/2/104/pdf |
