| article html file updated | 9 February 2020 10:04 CET | Update | https://www.mdpi.com/2073-4344/8/3/117 |
| article html file updated | 1 October 2019 16:34 CEST | Update | - |
| article html file updated | 1 May 2019 11:16 CEST | Update | - |
| article html file updated | 17 April 2019 11:05 CEST | Update | - |
| article html file updated | 29 March 2019 07:02 CET | Update | - |
| article html file updated | 26 March 2018 12:23 CEST | Update | - |
| article html file updated | 16 March 2018 09:05 CET | Original file | - |
| article xml uploaded. | 16 March 2018 09:04 CET | Original file | https://www.mdpi.com/2073-4344/8/3/117/xml |
| article pdf uploaded. | 16 March 2018 09:04 CET | Version of Record | https://www.mdpi.com/2073-4344/8/3/117/pdf |
