function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Alexandre O. & Boehs, Guisla', 1],
    ['Almeida, Alexandre O. & Terossi, Mariana & Buranelli, Raquel C.', 3],
    ['Almeida, Alexandre Oliveira De & Guerrazzi, Maria Cec Lia', 1],
    ['Anker, Arthur', 45],
    ['Anker, Arthur & Al-Kandari, Manal & Grave, Sammy De', 2],
    ['Anker, Arthur & Ashrafi, Hossein', 1],
    ['Anker, Arthur & Firdaus, Muhammad & Pratama, Idham Sumarto', 1],
    ['Anker, Arthur & Lazarus, Juan Felipe', 2],
    ['Anker, Arthur & Pratama, Idham Sumarto & Firdaus, Muhammad', 6],
    ['Anker, Arthur & Tavares, Marcos & Mendonça, Joel B.', 1],
    ['Ashrafi, Hossein & Anker, Arthur & Ďuriš, Zdeněk', 1],
    ['Ashrafi, Hossein & Ďuriš, Zdeněk & Naderloo, Reza', 2],
    ['Dworschak, Peter C. & Anker, Arthur & Abed-Navandi, Daniel', 2],
    ['Gully, Florence & Cochu, Marc & Anker, Arthur', 2],
    ['Naderloo, Reza & Türkay, Michael', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=77)',
    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);