function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['DeMarmels, Jurg', 7],
    ['Dijkstra, Klaas-Douwe B. & Kipping, Jens & Mézière, Nicolas', 3],
    ['Dow, Rory A. & Choong, Chee Yen & Ng, Yong Foo', 2],
    ['Ellenrieder, Natalia Von & Garrison, Rosser W.', 39],
    ['Gonzalez Soriano, Enrique & Noguera, Felipe', 2],
    ['Kosterin, Oleg E.', 2],
    ['Legrand, Jean', 11],
    ['Lieftinck, M. A.', 5],
    ['Mauffray, William F. & Tennessen, Kenneth J.', 4],
    ['Mendoza-Penagos, Cristian Camilo & Juen, Leandro & Muzón, Javier', 4],
    ['Pessacq, Pablo', 30],
    ['Phan, Quoc Toan & Ngo, Quoc Phu', 10],
    ['Takiya, Daniela Maeda & Santos, Allan Paulo Moreira', 8],
    ['Theischinger, Günther & Mitchell, Andrew & Richards, Stephen J.', 8],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 3],
    ['Other (22)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=167)',
    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);