| article html file updated | 9 February 2020 08:50 CET | Update | https://www.mdpi.com/1660-3397/16/3/81 |
| article html file updated | 1 October 2019 07:57 CEST | Update | - |
| article html file updated | 1 May 2019 13:51 CEST | Update | - |
| article html file updated | 17 April 2019 13:29 CEST | Update | - |
| article html file updated | 29 March 2019 04:23 CET | Update | - |
| article html file updated | 26 March 2018 13:25 CEST | Update | - |
| article html file updated | 7 March 2018 06:12 CET | Original file | - |
| article xml uploaded. | 7 March 2018 06:11 CET | Original file | https://www.mdpi.com/1660-3397/16/3/81/xml |
| article pdf uploaded. | 7 March 2018 06:11 CET | Updated version of record | https://www.mdpi.com/1660-3397/16/3/81/pdf |
| article pdf uploaded. | 6 March 2018 16:47 CET | Version of Record | https://www.mdpi.com/1660-3397/16/3/81/pdf-vor |
