function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ananjeva, Natalia B. & Milto, Konstantin D.', 3],
    ['Barrio-Amorós, Cesar L. & Ortíz, Juan C.', 10],
    ['Batista, Abel & Ponce, Marcos & Vesely, Milan & Mebert, Konrad', 3],
    ['Daza, Juan D. & Pinto, Brendan J. & Thomas, Richard', 11],
    ['Eskandarzadeh, Naeimeh & Rastegar-Pouyani, Nasrullah', 2],
    ['Gamble, Tony & Daza, Juan D. & Colli, Guarino R.', 2],
    ['Javanmardi, Soheila & Vogler, Sven & Joger, Ulrich', 6],
    ['Mccranie, James R. & Hedges, Blair', 4],
    ['Mccranie, James R. & Hedges, S. Blair', 2],
    ['Razzetti, Edoardo & Sindaco, Roberto & Grieco, Cristina', 7],
    ['Ribeiro-Júnior, Marco A.', 13],
    ['Rivero-Blanco, Carlos & Schargel, Walter E.', 2],
    ['Sturaro, Marcelo José & Avila-Pires, Teresa C. S.', 4],
    ['Uchoa, Lucas Rafael & Delfim, Fagner Ribeiro', 2],
    ['Šmíd, Jiří & Moravec, Jiří & Kodym, Petr & Kratochvíl, Lukáš', 4],
    ['Other (17)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=92)',
    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);