| article html file updated | 7 February 2020 13:12 CET | Update | https://www.mdpi.com/2409-9287/1/2/141 |
| article html file updated | 21 September 2019 22:51 CEST | Update | - |
| article html file updated | 5 May 2019 07:20 CEST | Update | - |
| article html file updated | 27 March 2019 13:24 CET | Update | - |
| article html file updated | 12 August 2016 08:53 CEST | Update | - |
| article xml uploaded. | 12 August 2016 08:52 CEST | Update | https://www.mdpi.com/2409-9287/1/2/141/xml |
| article pdf uploaded. | 12 August 2016 08:52 CEST | Updated version of record | https://www.mdpi.com/2409-9287/1/2/141/pdf |
| article html file updated | 11 August 2016 12:24 CEST | Original file | - |
| article xml uploaded. | 11 August 2016 12:23 CEST | Original file | - |
| article pdf uploaded. | 11 August 2016 12:23 CEST | Version of Record | https://www.mdpi.com/2409-9287/1/2/141/pdf-vor |
