| article html file updated | 8 February 2020 01:24 CET | Update | https://www.mdpi.com/2073-4433/8/3/54 |
| article html file updated | 23 September 2019 19:29 CEST | Update | - |
| article html file updated | 4 May 2019 06:51 CEST | Update | - |
| article html file updated | 27 March 2017 09:46 CEST | Update | - |
| article html file updated | 14 March 2017 09:39 CET | Original file | - |
| article xml uploaded. | 14 March 2017 09:38 CET | Original file | https://www.mdpi.com/2073-4433/8/3/54/xml |
| article pdf uploaded. | 14 March 2017 09:38 CET | Version of Record | https://www.mdpi.com/2073-4433/8/3/54/pdf |
