| article html file updated | 9 February 2020 20:36 CET | Update | https://www.mdpi.com/2077-0383/7/6/138 |
| article html file updated | 4 October 2019 08:52 CEST | Update | - |
| article html file updated | 30 April 2019 13:01 CEST | Update | - |
| article html file updated | 16 April 2019 13:41 CEST | Update | - |
| article html file updated | 16 April 2019 08:02 CEST | Update | - |
| article html file updated | 30 March 2019 08:32 CET | Update | - |
| article html file updated | 26 June 2018 05:30 CEST | Update | - |
| article html file updated | 7 June 2018 10:28 CEST | Original file | - |
| article pdf uploaded. | 7 June 2018 10:27 CEST | Version of Record | https://www.mdpi.com/2077-0383/7/6/138/pdf |
| article xml uploaded. | 7 June 2018 10:27 CEST | Update | https://www.mdpi.com/2077-0383/7/6/138/xml |
| article xml file uploaded | 7 June 2018 10:27 CEST | Original file | - |
