| article html file updated | 9 February 2020 10:33 CET | Update | https://www.mdpi.com/1999-4907/9/3/156 |
| article html file updated | 1 October 2019 19:24 CEST | Update | - |
| article html file updated | 1 May 2019 10:13 CEST | Update | - |
| article html file updated | 17 April 2019 10:05 CEST | Update | - |
| article html file updated | 29 March 2019 08:09 CET | Update | - |
| article html file updated | 26 March 2018 13:42 CEST | Update | - |
| article html file updated | 21 March 2018 10:44 CET | Update | - |
| article xml uploaded. | 21 March 2018 10:43 CET | Update | https://www.mdpi.com/1999-4907/9/3/156/xml |
| article pdf uploaded. | 21 March 2018 10:43 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/3/156/pdf |
| article html file updated | 20 March 2018 16:54 CET | Original file | - |
| article pdf uploaded. | 20 March 2018 16:53 CET | Version of Record | https://www.mdpi.com/1999-4907/9/3/156/pdf-vor |
