| article html file updated | 8 February 2020 11:12 CET | Update | https://www.mdpi.com/2227-9059/5/3/42 |
| article html file updated | 25 September 2019 23:46 CEST | Update | - |
| article html file updated | 3 May 2019 11:59 CEST | Update | - |
| article html file updated | 27 March 2019 16:08 CET | Update | - |
| article html file updated | 30 September 2017 11:51 CEST | Update | - |
| article html file updated | 17 July 2017 16:08 CEST | Update | - |
| article html file updated | 17 July 2017 16:07 CEST | Update | - |
| article html file updated | 17 July 2017 16:05 CEST | Original file | - |
| article xml uploaded. | 17 July 2017 16:04 CEST | Update | https://www.mdpi.com/2227-9059/5/3/42/xml |
| article pdf uploaded. | 17 July 2017 16:04 CEST | Updated version of record | https://www.mdpi.com/2227-9059/5/3/42/pdf |
