| article html file updated | 8 February 2020 00:52 CET | Update | https://www.mdpi.com/2076-393X/5/1/8 |
| article html file updated | 23 September 2019 16:25 CEST | Update | - |
| article html file updated | 4 May 2019 08:01 CEST | Update | - |
| article html file updated | 30 March 2017 06:08 CEST | Update | - |
| article html file updated | 6 March 2017 11:04 CET | Original file | - |
| article xml uploaded. | 6 March 2017 11:03 CET | Original file | https://www.mdpi.com/2076-393X/5/1/8/xml |
| article pdf uploaded. | 6 March 2017 11:03 CET | Version of Record | https://www.mdpi.com/2076-393X/5/1/8/pdf |
