| article html file updated | 7 February 2020 08:56 CET | Update | https://www.mdpi.com/2075-1680/5/2/13 |
| article html file updated | 5 May 2019 15:21 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:08 CET | Update | N/A |
| article html file updated | 1 July 2016 10:16 CEST | Update | N/A |
| article html file updated | 19 May 2016 14:05 CEST | Original file | N/A |
| article xml uploaded. | 19 May 2016 14:04 CEST | Original file | https://www.mdpi.com/2075-1680/5/2/13/xml |
| article pdf uploaded. | 19 May 2016 14:04 CEST | Version of Record | https://www.mdpi.com/2075-1680/5/2/13/pdf |
