| article html file updated | 9 February 2020 07:15 CET | Update | https://www.mdpi.com/2073-4344/8/2/88 |
| article html file updated | 30 September 2019 22:54 CEST | Update | - |
| article html file updated | 1 May 2019 17:08 CEST | Update | - |
| article html file updated | 17 April 2019 16:31 CEST | Update | - |
| article html file updated | 29 March 2019 00:37 CET | Update | - |
| article html file updated | 14 March 2018 08:37 CET | Update | - |
| article html file updated | 26 February 2018 10:11 CET | Update | - |
| article xml uploaded. | 26 February 2018 10:09 CET | Update | https://www.mdpi.com/2073-4344/8/2/88/xml |
| article pdf uploaded. | 26 February 2018 10:09 CET | Updated version of record | https://www.mdpi.com/2073-4344/8/2/88/pdf |
| article html file updated | 22 February 2018 11:35 CET | Original file | - |
| article xml uploaded. | 22 February 2018 11:34 CET | Original file | - |
| article pdf uploaded. | 22 February 2018 11:34 CET | Version of Record | https://www.mdpi.com/2073-4344/8/2/88/pdf-vor |
