| article html file updated | 8 February 2020 01:13 CET | Update | https://www.mdpi.com/2227-9091/5/1/16 |
| article html file updated | 23 September 2019 18:28 CEST | Update | - |
| article html file updated | 4 May 2019 07:14 CEST | Update | - |
| article html file updated | 29 March 2017 05:55 CEST | Update | - |
| article html file updated | 13 March 2017 08:24 CET | Original file | - |
| article xml uploaded. | 13 March 2017 08:22 CET | Original file | https://www.mdpi.com/2227-9091/5/1/16/xml |
| article pdf uploaded. | 13 March 2017 08:22 CET | Updated version of record | https://www.mdpi.com/2227-9091/5/1/16/pdf |
| article pdf uploaded. | 10 March 2017 11:47 CET | Version of Record | https://www.mdpi.com/2227-9091/5/1/16/pdf-vor |
