| article html file updated | 9 February 2020 04:52 CET | Update | https://www.mdpi.com/2077-0383/7/2/17 |
| article html file updated | 30 September 2019 08:38 CEST | Update | - |
| article html file updated | 1 May 2019 22:26 CEST | Update | - |
| article html file updated | 17 April 2019 21:08 CEST | Update | - |
| article html file updated | 28 March 2019 19:30 CET | Update | - |
| article html file updated | 14 March 2018 17:00 CET | Update | - |
| article html file updated | 6 February 2018 08:28 CET | Update | - |
| article xml uploaded. | 6 February 2018 08:27 CET | Update | https://www.mdpi.com/2077-0383/7/2/17/xml |
| article pdf uploaded. | 6 February 2018 08:27 CET | Updated version of record | https://www.mdpi.com/2077-0383/7/2/17/pdf |
| article html file updated | 30 January 2018 16:58 CET | Original file | - |
| article xml uploaded. | 30 January 2018 16:57 CET | Original file | - |
| article pdf uploaded. | 30 January 2018 16:57 CET | Version of Record | https://www.mdpi.com/2077-0383/7/2/17/pdf-vor |
