function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ananjeva, Natalia B. & Milto, Konstantin D.', 6],
    ['Arribas, Oscar & Candan, Kamil & Kornilios, Panagiotis', 18],
    ['Barabanov, Andrei V. & Doronin, Igor V.', 22],
    ['Ceríaco, L. M. P. & De Sá, S. & Bandeira, S. & Valério, H.', 5],
    ['Conradie, Werner & Branch, William R. & Watson, Gillian', 8],
    ['Edwards, Shelley & Branch, William R. & Vanhooydonck, Bieke', 5],
    ['Eskandarzadeh, Naeimeh & Rastegar-Pouyani, Nasrullah', 11],
    ['García-Díez, Teresa & González-Fernández, José E.', 17],
    ['Georgalis, Georgios L. & Čerňanský, Andrej & Klembara, Jozef', 5],
    ['Jiří Šmíd & Jiří Moravec & Václav Gvoždík & Jan Štundl', 9],
    ['Linnaeus, Carolus', 44],
    ['Petrosyan, Varos G & Osipov, Fedor A & Bobrov, Vladimir V', 8],
    ['Published, First', 6],
    ['Sebastian Kirchhof & Johannes Penner & Mark-Oliver Rödel', 5],
    ['Šmíd, Jiří & Moravec, Jiří & Kodym, Petr & Kratochvíl, Lukáš', 53],
    ['Other (75)', 129]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=351)',
    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);