| article html file updated | 7 February 2020 15:40 CET | Update | https://www.mdpi.com/2311-5521/1/4/32 |
| article html file updated | 5 May 2019 02:52 CEST | Update | N/A |
| article html file updated | 27 October 2017 10:17 CEST | Update | N/A |
| article html file updated | 12 October 2016 05:06 CEST | Update | N/A |
| article xml uploaded. | 12 October 2016 05:05 CEST | Update | https://www.mdpi.com/2311-5521/1/4/32/xml |
| article pdf uploaded. | 12 October 2016 05:05 CEST | Updated version of record | https://www.mdpi.com/2311-5521/1/4/32/pdf |
| article html file updated | 28 September 2016 23:06 CEST | Original file | N/A |
| article xml uploaded. | 28 September 2016 09:21 CEST | Original file | N/A |
| article pdf uploaded. | 28 September 2016 09:21 CEST | Version of Record | https://www.mdpi.com/2311-5521/1/4/32/pdf-vor |
