| article html file updated | 8 February 2020 13:30 CET | Update | https://www.mdpi.com/2305-6320/4/3/60 |
| article html file updated | 26 September 2019 12:54 CEST | Update | - |
| article html file updated | 3 May 2019 07:01 CEST | Update | - |
| article html file updated | 27 March 2019 20:46 CET | Update | - |
| article html file updated | 30 September 2017 15:41 CEST | Update | - |
| article html file updated | 17 August 2017 03:41 CEST | Update | - |
| article xml uploaded. | 17 August 2017 03:40 CEST | Update | https://www.mdpi.com/2305-6320/4/3/60/xml |
| article pdf uploaded. | 17 August 2017 03:40 CEST | Updated version of record | https://www.mdpi.com/2305-6320/4/3/60/pdf |
| article html file updated | 14 August 2017 14:16 CEST | Original file | - |
| article xml uploaded. | 14 August 2017 14:15 CEST | Original file | - |
| article pdf uploaded. | 14 August 2017 14:15 CEST | Version of Record | https://www.mdpi.com/2305-6320/4/3/60/pdf-vor |