| article html file updated | 8 February 2020 23:04 CET | Update | https://www.mdpi.com/2075-4701/7/12/541 |
| article html file updated | 28 September 2019 23:31 CEST | Update | - |
| article html file updated | 2 May 2019 10:46 CEST | Update | - |
| article html file updated | 18 April 2019 08:23 CEST | Update | - |
| article html file updated | 2 January 2018 17:55 CET | Update | - |
| article html file updated | 4 December 2017 15:07 CET | Original file | - |
| article xml uploaded. | 4 December 2017 15:06 CET | Update | https://www.mdpi.com/2075-4701/7/12/541/xml |
| article xml uploaded. | 4 December 2017 15:06 CET | Original file | - |
| article pdf uploaded. | 4 December 2017 15:06 CET | Version of Record | https://www.mdpi.com/2075-4701/7/12/541/pdf |
