Heterogeneity among Helicobacter pylori strains in gastric epithelial adherence is postulated to contribute to pathogen fitness in the physiologically diverse human population. H. pylori adherence to ABO and Lewis b (Leb) blood group antigens in the human stomach is mediated by the blood group antigen-binding adhesin BabA. Approximately 70% of Swedish and U.S. H. pylori clinical isolates exhibi...

Vol. LII (August 2015), 467–481 467 © 2015, American Marketing Association ISSN: 0022-2437 (print), 1547-7193 (electronic) *Uma R. Karmarkar is Assistant Professor in Marketing, Harvard Business School, Harvard University (e-mail: [email protected]). Baba Shiv is the Sanwa Bank, Limited, Professor of Marketing, Graduate School of Business, Stanford University (e-mail: [email protected]...

The 40 thieves realize that the fortune in their cave is vanishing. A rumor says that Ali Baba has been granted access (in the form of a certificate) to the cave but they need evidence to get justice from the Caliph. On the other hand, Ali Baba wants to be able to securely access to the cave without leaking any evidence. A similar scenario holds in the biometric passport application: Ali Baba w...