function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andrade-Herrera, Kepler Nils & Mello-Patiu, Cátia Antunes de', 1],
    ['Dawah, Hassan A. & Abdullah, Mohammed A. & Pape, Thomas', 5],
    ['El-Hawagry, Magdi S. & Abdel-Dayem, Mahmoud S.', 1],
    ['Ghahari, H. & Havaskary, M. & Tabari, M. & Ostovan, H.', 4],
    ['Mariluis, Pablo Ricardo Mulieri Juan Carlos', 8],
    ['Mello-Patiu, Cátia Antunes De', 2],
    ['Pape, Thomas', 1],
    ['Schlüsslmayr, Gerhard', 3],
    ['Sinclair, Bradley J.', 4],
    ['Zhang, Dong & Zhang, Ming & Li, Zijuan & Pape, Thomas', 4],
    ['Zhang, Ming & Xu, Wen-Tian & Pape, Thomas & Pei, Wen-Ya', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=38)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);