function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Anker, Arthur & Hussain, Sumaiah', 4],
    ['Almeida, Alexandre O. & Boehs, Guisla', 12],
    ['Almeida, Alexandre O. & Terossi, Mariana & Buranelli, Raquel C.', 21],
    ['Almeida, Alexandre Oliveira De & Guerrazzi, Maria Cec Lia', 7],
    ['Anker, Arthur', 40],
    ['Anker, Arthur & Hurt, Carla & Knowlton, Nancy', 16],
    ['Anker, Arthur & Pachelle, Paulo P. G.', 4],
    ['Anker, Arthur & Pratama, Idham Sumarto & Firdaus, Muhammad', 4],
    ['Anker, Arthur & Tavares, Marcos & Mendonça, Joel B.', 10],
    ['Bracken-Grissom, Heather D. & Felder, Darryl L.', 6],
    ['Dehghani, Amir & Sari, Alireza & Naderloo, Reza', 29],
    ['Filho, Petrônio Alves Coelho', 6],
    ['Naderloo, Reza & Türkay, Michael', 7],
    ['Pachelle, Paulo P. G. & Anker, Arthur & Mendes, Cecili B.', 4],
    ['Soledade, Guidomar O. & Fonseca, Mytalle S.', 6],
    ['Other (38)', 58]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=234)',
    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);