function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chapman, Eric G. & Richards, Austin B. & Dupuis, Julian R.', 2],
    ['De Barros, Rafael C. & Da Fonseca, Mailson G.', 2],
    ['Ferreira, Gabriel Dos Santos & Ferreira, André Da Silva', 3],
    ['Ferro, Michael L. & Gimmel, Matthew L. & Harms, Kyle E.', 1],
    ['Groll, Elisa Von', 1],
    ['Heffern, Daniel & Santos-Silva, Antonio', 4],
    ['Monné, Miguel A.', 80],
    ['Monné, Miguel A. & Cupello, Mario', 1],
    ['Monné, Miguel A. & Monné, Marcela L.', 6],
    ['Monné, Miguel A. & Santos-Silva, Antonio & Monné, Marcela L.', 5],
    ['Nascimento, Francisco E. De L. & Heffern, Daniel', 2],
    ['Santos-Silva, Antonio', 2],
    ['Santos-Silva, Antonio & Botero, Juan Pablo', 3],
    ['Santos-Silva, Antonio & Devesa, Sergio', 2],
    ['Vlasak, Josef & Santos-Silva, Antonio', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=118)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);