| article html file updated | 8 February 2020 10:25 CET | Update | https://www.mdpi.com/2075-4663/5/3/49 |
| article html file updated | 25 September 2019 19:40 CEST | Update | - |
| article html file updated | 3 May 2019 13:28 CEST | Update | - |
| article html file updated | 30 September 2017 10:09 CEST | Update | - |
| article html file updated | 7 July 2017 15:56 CEST | Original file | - |
| article xml uploaded. | 7 July 2017 15:54 CEST | Original file | https://www.mdpi.com/2075-4663/5/3/49/xml |
| article pdf uploaded. | 7 July 2017 15:54 CEST | Updated version of record | https://www.mdpi.com/2075-4663/5/3/49/pdf |
