function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Falaschi, Rafaela Lopes & Oliveira, Sarah Siqueira', 2],
    ['Fitzgerald, Scott J.', 12],
    ['Frahnert, Sylke & Turner, Donald A. & Bracker, Cordula', 1],
    ['Lecroy, Mary', 3],
    ['Meigen, Johann Wilhelm', 1],
    ['Skartveit, John', 2],
    ['Skartveit, John & Kaulfuss, Uwe & Gehler, Alexander', 1],
    ['Skartveit, John & Krizmanić, Katarina', 5],
    ['Skartveit, John & Nel, André', 10],
    ['Skartveit, John & Wedmann, Sonja', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    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);