function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ananjeva, Natalia B. & Milto, Konstantin D.', 6],
    ['Barrio-Amorós, Cesar L. & Ortíz, Juan C.', 2],
    ['Bauer, Aaron M. & Tchibozo, Sévérin & Pauwels, Olivier S. G.', 2],
    ['Bergmann, Philip J. & Russell, Anthony P.', 3],
    ['Castiglia, Riccardo & Annesi, Flavia & Bezerra, Alexandra M. R.', 2],
    ['Dubeux, Marcos J. M. & Gonçalves, Ubiratan', 2],
    ['Eskandarzadeh, Naeimeh & Rastegar-Pouyani, Nasrullah', 6],
    ['Esmaeili-Rineh, Somayeh & Akmali, Vahid & Fathipour, Farajollah', 2],
    ['Koch, Claudia & Flecks, Morris & Venegas, Pablo J.', 3],
    ['Razzetti, Edoardo & Sindaco, Roberto & Grieco, Cristina', 2],
    ['Ribeiro-Júnior, Marco A.', 4],
    ['Segniagbeto, Gabriel Hoinsoude & Trape, Jean-François', 2],
    ['Uchoa, Lucas Rafael & Delfim, Fagner Ribeiro', 6],
    ['Vasconcelos, Raquel & Perera, Ana & Geniez, Philippe', 11],
    ['Šmíd, Jiří & Moravec, Jiří & Kodym, Petr & Kratochvíl, Lukáš', 11],
    ['Other (16)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=80)',
    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);