function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bankov, Nikola & Todorov, Milcho & Ganeva, Anna', 202],
    ['Basanta, Diana Wrigley De & Mier, Carlos De & Lado, Carlos', 25],
    ['Bobrov, Anatoly & Mazei, Yuri', 36],
    ['Chatterjee, Tapas & Dovgal, Igor', 28],
    ['Durán-Ramírez, Carlos Alberto & Dias, Roberto Júnio Pedroso', 144],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 34],
    ['Kryvomaz, Tetiana & Michaud, Alain & Stephenson, Steven L.', 40],
    ['Lee, Won Je', 23],
    ['Lee, Won Je & Patterson, David J.', 33],
    ['Mayén-Estrada, Rosaura & Clamp, John C.', 80],
    ['Mayén-Estrada, Rosaura & Dias, Roberto Junio Pedroso', 83],
    ['Müller, Otto Friedrich', 100],
    ['Ronikier, Anna', 26],
    ['Treviño-Zevallos, Italo & García-Cunchillos, Iván', 177],
    ['Trubovitz, Sarah & Renaudie, Johan & Lazarus, David', 31],
    ['Other (227)', 667]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1729)',
    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);