| article html file updated | 7 February 2020 19:17 CET | Update | https://www.mdpi.com/2409-9287/1/3/261 |
| article html file updated | 4 May 2019 19:55 CEST | Update | - |
| article html file updated | 12 December 2016 04:37 CET | Update | - |
| article xml uploaded. | 12 December 2016 04:36 CET | Update | https://www.mdpi.com/2409-9287/1/3/261/xml |
| article pdf uploaded. | 12 December 2016 04:36 CET | Updated version of record | https://www.mdpi.com/2409-9287/1/3/261/pdf |
| article html file updated | 8 December 2016 12:03 CET | Original file | - |
| article xml uploaded. | 8 December 2016 12:01 CET | Original file | - |
| article pdf uploaded. | 8 December 2016 12:01 CET | Version of Record | https://www.mdpi.com/2409-9287/1/3/261/pdf-vor |
