| article html file updated | 6 February 2020 03:24 CET | Update | https://www.mdpi.com/2218-6581/2/3/165 |
| article html file updated | 8 May 2019 02:30 CEST | Update | N/A |
| article html file updated | 21 March 2019 01:51 CET | Update | N/A |
| article html file updated | 21 July 2017 04:14 CEST | Update | N/A |
| article html file updated | 21 July 2017 04:13 CEST | Update | N/A |
| article html file updated | 21 July 2017 04:12 CEST | Original file | N/A |
| article xml uploaded. | 21 July 2017 04:11 CEST | Original file | https://www.mdpi.com/2218-6581/2/3/165/xml |
| article pdf uploaded. | 25 July 2013 09:07 CEST | Updated version of record | https://www.mdpi.com/2218-6581/2/3/165/pdf |
| article pdf uploaded. | 24 July 2013 14:20 CEST | Version of Record | https://www.mdpi.com/2218-6581/2/3/165/pdf-vor |
