| article html file updated | 9 February 2020 14:43 CET | Update | https://www.mdpi.com/2073-4344/8/4/168 |
| article html file updated | 2 October 2019 20:05 CEST | Update | N/A |
| article html file updated | 1 May 2019 01:45 CEST | Update | N/A |
| article html file updated | 17 April 2019 02:19 CEST | Update | N/A |
| article html file updated | 29 March 2019 17:45 CET | Update | N/A |
| article html file updated | 1 May 2018 14:50 CEST | Update | N/A |
| article html file updated | 25 April 2018 06:21 CEST | Original file | N/A |
| article supplementary file uploaded. | 25 April 2018 06:19 CEST | - | https://www.mdpi.com/2073-4344/8/4/168#supplementary |
| article pdf uploaded. | 25 April 2018 06:19 CEST | Updated version of record | https://www.mdpi.com/2073-4344/8/4/168/pdf |
| article xml uploaded. | 25 April 2018 06:19 CEST | Update | https://www.mdpi.com/2073-4344/8/4/168/xml |
| article xml file uploaded | 25 April 2018 06:19 CEST | Original file | N/A |