| article html file updated | 8 February 2020 00:42 CET | Update | https://www.mdpi.com/2075-1680/6/1/5 |
| article html file updated | 4 May 2019 08:23 CEST | Update | N/A |
| article html file updated | 27 March 2017 09:40 CEST | Update | N/A |
| article html file updated | 9 March 2017 07:22 CET | Original file | N/A |
| article xml uploaded. | 9 March 2017 07:21 CET | Original file | https://www.mdpi.com/2075-1680/6/1/5/xml |
| article pdf uploaded. | 9 March 2017 07:21 CET | Updated version of record | https://www.mdpi.com/2075-1680/6/1/5/pdf |
| article pdf uploaded. | 3 March 2017 11:54 CET | Version of Record | https://www.mdpi.com/2075-1680/6/1/5/pdf-vor |
