Media and their readers/viewers who demand too much but aren't prepared to do their share have contributed to the current malaise too.
The state of the economy invalidates corporate leadership that was not prepared for and moreover may have contributed to the mess we are in.
For the DPM, poultry may have been stored temporarily and prepared elsewhere to preserve freshness, which may have contributed to the unexpectedly high detection rates in this market.
Local politics have contributed to shortages.
Several factors have contributed to this downturn.
Several factors have contributed to their decline.
RM has made significant contributions to the conception and design of the study, selected data of eligible study subject, has contributed to the interpretation of the data, prepared the draft version of the article and has critically revised the article for important intellectual content.
CNB has contributed to the acquisition of data and in preparing the manuscript.
NCM has contributed to the analysis and interpretation of data and in preparing the manuscript.
MCSW has contributed to the conception, design, data acquisition, analysis of data and prepared the first draft of this paper.
Each individual has contributed to the problem.
