function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 1],
    ['Alves, Jessika & Johnsson, Rodrigo & Senna, André R.', 3],
    ['Appadoo, C & Myers, AA', 1],
    ['Costa, Dimitri de Araujo & Dolbeth, Marina & Prata, Jessica', 1],
    ['Lowry, J. K. & Springthorpe, R. T.', 1],
    ['Myers, A. A.', 1],
    ['Myers, Alan A. & Nithyanandan, Manickam', 1],
    ['Paz-Ríos, Carlos E. & Ardisson, Pedro-Luis', 1],
    ['Published, First', 15],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 1],
    ['Vader, Wim & Krapp-Schickel, Traudl', 1],
    ['White, Kristine N. & Sir, Sally J.', 3],
    ['Wongkamhaeng, Koraon & Pattaratumrong, Manasawan Saengsakda', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);