| article html file updated | 8 February 2020 12:51 CET | Update | https://www.mdpi.com/2075-4663/5/3/57 |
| article html file updated | 26 September 2019 09:05 CEST | Update | - |
| article html file updated | 3 May 2019 08:20 CEST | Update | - |
| article html file updated | 27 March 2019 19:23 CET | Update | - |
| article html file updated | 30 September 2017 10:09 CEST | Update | - |
| article html file updated | 4 August 2017 14:26 CEST | Original file | - |
| article xml uploaded. | 4 August 2017 14:25 CEST | Original file | https://www.mdpi.com/2075-4663/5/3/57/xml |
| article pdf uploaded. | 4 August 2017 14:25 CEST | Version of Record | https://www.mdpi.com/2075-4663/5/3/57/pdf |
