function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baser, Birol & Firat, Mehmet & Aziret, Akin', 2],
    ['Callmander, Martin W. & Durbin, Olivier D. & Lack, Hans-Walter', 1],
    ['Jarvis, Charlie', 33],
    ['Jeanmonod, Daniel & Schlüssel, André', 1],
    ['Manning, J. C. & le Roux, A.', 2],
    ['Marais, Elizabeth M. & Roux, Anso Le', 3],
    ['Mille, Christian & Henderson, Rosa C. & Cazères, Sylvie', 1],
    ['Romero, Giovanna E.', 1],
    ['Roux, M. Marianne Le & Manning, John C.', 1],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=47)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);