function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alves-Júnior, Flavio De Almeida & Viana, Girlene Fábia Segundo', 1],
    ['D\'Acoz, Cédric D\'Udekem & Degrave, Sammy', 2],
    ['Han, Qingxi & Keesing, John K.', 3],
    ['Komai, Tomoyuki', 1],
    ['Komai, Tomoyuki & Kim, Jung Nyun', 1],
    ['Naderloo, Reza & Türkay, Michael', 1],
    ['Taylor, Joanne', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);