function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T.', 1],
    ['Alves, Maria De Lourdes & Ramos-Porto, Marilena', 1],
    ['Castro, Peter', 7],
    ['Castro, Peter & Naruse, Tohru', 2],
    ['Cleva, Régis & Guinot, Danièle & Albenga, Laurent', 15],
    ['Forges, Bertrand Richer De & Ng, Peter K. L.', 22],
    ['Guinot, Danièle & Quenette, Gwenaël', 6],
    ['Juan J. Schmitter-Soto', 6],
    ['Martin, Joel W. & Haney, Todd A.', 2],
    ['Muñoz, Isabel & García-Isarch, Eva & Cuesta, Jose A.', 4],
    ['Ng, Peter K. L. & Forges, Bertrand Richer De & Martin, Joel W.', 16],
    ['Ng, Peter K. L. & Forges, Bertrand Richer de', 23],
    ['Ng, Peter K. L. & Kumar, Appukuttannair Biju', 4],
    ['Nyborg, Torrey & Garassino, Alessandro & Vega, Francisco J.', 4],
    ['Wicksten, Mary K.', 2],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=125)',
    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);